7月11日 第五篇 : h3 @8 }% [- Q
分类下 earth science 8
( u$ o* ]  C! S7 N这篇听的不好。。。听写用了一个小时，跟读了一个小时，感觉好绕嘴啊。。。
, c7 V0 Z+ b: l. b继续加油，嗯。。。
" Z% q8 i+ Y3 t* ?8 w% }Questions 43-46 Listen to part of the talk given in a geography class.8 c  ^& S3 ~, N# b7 ?

. C' t" I0 a# k, ~+ P& PThe old Canada road is a (long, long) long-lost trail between the Canadian province of Quebec魁北克 and Maine缅因 in the (Northern) Northeast corner of the United States. (Years)Yes, it really was lost, and (finally) finding it again was a complex process that involved state-of-the-art最先进的 technology. How the location of the road was pinpointed查明 was very interesting. And I’ll return to it as soon as I’ve given you a little background information.
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7 c7 r' Z. T# x( Z' M: |4 dThe road was began in 1817, a few years before Maine even became a state. At the time, Quebec was a major market for (large stock) livestock家畜, crops and fish. So a road to Quebec (with things by a ficial) was seen by officials in Maine (was) as necessary for trade. For about 20 years, the movement of people and goods was mostly from Maine to Quebec, but then the trend reversed as thousands of Canadians immigrated to Maine to (skip) escape poor crops, a lack of jobs and the threat of disease. I think it was a (called right) cholera epidemic流行霍乱. $ [" D/ B& z# j! ]

  M) D& G. U5 `" n. d2 XBesides these negative reasons, major building projects of Maine also made the state very attractive for the Canadians who needed work. I should stress, (so) though, that immigration during that period went in both directions. In fact, the flow of people and goods (was) went completely unhindered不受妨碍的. There wasn’t even a border post until around 1850. The people at the time (thought) saw Maine and Quebec as a single region mainly because of the strong (friendship) French influence, which is still evident in Maine today.
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+ T# |+ q+ \8 Q% ~/ kEventually, the road fell into disuse as a major railway was completed. Finally, people simply forgot about it and that’s (all) how it (can) came to be lost. This brings me back to the original topic.

7月12日 第1篇
6 f# u4 x6 O/ i  V  v- Z7 a. Q分类下 earth science 94 A( W$ a" U/ F: H
Questions 42-46 Listen to part of a radio program about science.- M/ q; S0 K8 [

- e6 ~3 q4 z. k# N$ a: ^% J5 JScientists are always (looking up) on the lookout for alternative sources of energy. Today we are going to discuss one that’s so plentiful they say it could supply more energy than all the coal and oil in the world. It’s found in something called gas hydrate and, believe it or not, that’s a kind of ice." p* H$ x1 E2 I# s4 B
That’s right. But water in this ice was (weighed) way down blow the earth’s surface when it was frozen. So it was under a lot of pressure. And trapped inside of the crystals (width) of ice are individual molecules of methane甲烷-that’s what’s in natural gas.
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All this (methane) makes gas hydrate (put its strain stop) pretty strange stuff. If you touch a match划火柴 to a piece of this ice, it’ll burst (and) into flame. And when geologists bring a chunk of it up to the surface to study at normal air pressure and temperature, gas hydrate begins to hiss斯斯作响 and bubble-and in (last) less than half an hour, the ice melts and the methane inside escapes into the air.
: q: F* e% K5 C; W% _! M7 E# d" G& cNow, as you might guess, this can make gas hydrate kind of hard for miners矿工 to handle. And then there’s the problem of where it’s located in frozen arctic北极
, o6 h2 s, S7 d% j, p  J* Aregions or in ocean waters off the Atlantic大西洋 coast-and up to a mile down.
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% m% a% B1 O  D& zEnvironmentalists warn that mining it could even be disastrous. Offshore drilling could (a loss) allow seawater to (save) seep down into the huge ice deposit and release tons of methane up into the atmosphere. And methane, our listeners may recall, is a green house gas that could (even) really worsen the problem of global warming.
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5 b7 s! y) s  l( X6 c(Though) So, gas hydrate may offer some interesting possibilities, but with all these drawbacks, I’m not going to hold my breath waiting for it to fuel my furnace.
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7月12日 第2篇
, Q! F. s" a% |- A8 U! H/ r分类下 earth science 101 E( k' M* p5 k) V; `. W9 Q
Questions 39-43 Listen to part of the talk in a geology class.
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Look at (up) our (the top graphic) topographical地形 map, and you’ll see that the middle third of the North American Continent-from the Rocky Mountains almost to the Mississippi River-is pretty flat. This is the Great Plains, this kind of area is sometimes called a prairie大草原, sometimes a steppe, that’s s-t-e-p-p-e. The defining features are level (2 rain) terrain水平梯田, dry climate and an absence of trees. The Great Plains are actually the (formal belt) former bed of shallow (in Learn) inland Sea. Over millions of years, sediment (like) left by the glaciers, water and wind smoothed (up to) out the dry sea bed.
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As I said, the Great Plains are bordered on the west by the Rocky Mountains. (As) And it’s really the Rockies that are responsible for the formation of the grasslands. The mountains are so high that they block the heavy (moisture) moist air traveling (east) eastward from the Pacific ocean. (Later) Lighter, drier air passes over the mountains. Until people intervened with irrigation and farms, only grass could grow on the dry windy plain. In fact, we can divide the Great Plains into three zones. In the west, where it’s driest and windiest, the grass is very short. In the eastern zone, there is more rain and grass grows as high as 360 centimeters. In the middle third, (that makes) there’s a mix of the grass species that grow to a (Indi tide) intermediate height.8 a& r7 f' \7 u2 s% O
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; P/ u6 |% X- E& B' o/ Q7 R: j" @7月12日 第3篇
- N& w" |# C+ z9 \7 `9 q- m分类下 earth science 11: {% e3 e' ?; c6 T" ?( {
Questions 42-46 Listen to part of a lecture in a college class.
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0 X- f$ f  m  I. ZSince we’ve been discussing alternative fuels lately, I wanted to pass on to you some information I read about a new fuel that’s been in the news a lot lately. It’s called A-21.$ i6 z, I- `% t+ w0 L. W, u
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It’s composed of water and a chemical known as naphtha石脑油. It seems to be a very promising fuel because it’s much cleaner than the gasoline that we use today. That’s not to say that it doesn’t pollute, but it is cleaner. A-21 isn’t like some other alternative fuels that require completely new types of engines. A-21 still works on regular everyday (come bus) combustion燃烧 engines-like the ones in cars-with only miner mechanical modifications. So changing over (won’t) wouldn’t be a big deal.
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4 j' B3 Z/ K" m5 f0 U: i, O- ~You may (dare) doubt (one) some of these claims that many researchers have. Some people feared that because it contains about 45% water, it would freeze in the winter. But a small (modecule) amount of antifreeze防冻剂 was (actuate) added to it, and that seems to have solved the problem.
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A-21 has recently undergone (three) street tests in buses in Reno里诺, Nevada内华达. So far, it seems (out) to work just fine. This is a good thing, specially in Nevada because the state government there has passed a law requiring that a large percentage of vehicles in Nevada run (out of) on alternative fuels. A-21 should help.
+ {  ]! S- [: H9 a# W& M7月12日 第4篇' d) U; m: N# u. a8 a+ V
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分类下 earth science 12) e7 P. K1 L3 r8 L+ |: r
Questions 48-50 Listen to part of a lecture in a geography class
. e5 R. A9 R( G7 l/ B( O" yThe winds of a tornado are the most violent and destructive ones on Earth. Any of you who (seem) have seen one knows very well how (frying) frightening and powerful they are. What’s interesting about (this) them is scientists don’t actually know exactly why tornadoes occur. $ x1 ]% h/ h' a! V( R+ Z, o

/ K& U" N. R/ e4 EWe do know, however, what happens when tornadoes are formed. As you remember, (Afrantic) a front锋面! i* P$ P" L/ ]3 W: `
occurs when cool dry air from the north meets warm, humid air coming from the south, from the Gulf海湾
2 e7 c, g! q/ V; c1 i' `of Mexico, for tornadoes in the United States. Where these air (method) masses meet, a narrow zone of storm clouds develops, and thunderstorms and sometimes tornados occur.
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3 u& v: p  l. W0 I! JHow is this violent weather produced? Well, a mass of warm, humid air rises very rapidly. As it rises, more warmer air rushes in to replace it. This in-rushing air also rises, and in some cases, (this specially) especially (wind) when there is (stream) extreme thermal instability,
. ~3 ?/ L9 x& h! gbegins to rotate. When this happens, the rotating air forms a tornado.   i/ ?* e) _. }+ g

( A; _5 o0 W, W! s' hEven if you’ve seen tornados only in movies, you know that they can demolish buildings in seconds. This is possible because when a tornado passes over a house, it sucks up air from around of the house, and so the air pressure outside the house drops rapidly. Inside, pressure remains the same. So air pressure inside is greater than air pressure outside. The result is that the building explodes outward. Next we’ll talk a little bit about how new technological developments are being used to try to predict tornados. 3 V& `3 M$ U3 K" a
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7月12日 第5篇
) @: ?( I( D7 e0 s: m' O) `分类下 astronomy 1+ q0 j5 p3 _4 I  [9 A
Questions 47-50 Listen to a talk on the radio about a research project.
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Located at the NASA research center in Iowa is 5,000 gallon (wallon) vat桶8 n6 u. j2 I% }$ ]0 v% V! i/ ]
of water and inside the tank is an underwater (trip mill) treadmill踏车 designed by Dave Newman, an aerospace engineer. For 4 years, Newman observed (scoop) scuba水中呼吸器 divers as they simulated walking on the moon and on Mars on her underwater moving belt. She wanted to discover how the gravity of the Moon and of Mars would affect human movement.
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6 p, X- e6 j; C) s1 h6 fTo do this, Newman attached weights to the divers and then lowered (the maintain) them into the tank and onto the treadmill. These weights were carefully adjusted so the divers could experience underwater the gravity of the Moon and of Mars as they walked on the treadmill. Newman concluded that walking on the Mars will probably be easier than walking on the Moon. The Moon has less gravity than Mars does, so (as) at lunar gravity, the divers struggled to keep their balance and walk awkwardly. But at Martian火星的 gravity, the divers had greater traction and stability and could easily adjust to a pace of 1.5 miles per hour. As Newman gradually increased the speed of the treadmill, the divers took longer graceful strides until they comfortably settle into an ever quicker pace. Newman also noted that at Martian gravity, the divers needed less oxygen. ! u; C" |' d$ |% V/ B

2 W) J: K! t5 \7 g# eThe data Newman collected will help in the future design of Martian space suits太空服. Compared to lunar space suits, Martian space suits will require smaller air (tax) tanks. And to (loveful) allow for考虑到 freer movement, the elbow and knee areas of the space suits will also be altered.
0 a9 P$ j  s0 ]! s7月12日 第6篇- n! j5 y2 y. e
分类下 astronomy 2
+ `  I7 I, e8 ~' P) rQuestions 42-46 Listen to a talk given by an astronaut.* k) P' E& p( r; L8 k5 |& i

3 ~' R- z8 a* P/ L9 lThank you! It’s great to see so many of you interested in (these theories) this series on ‘survival in out space’. Please excuse the cameras (where in the) we’re being videotaped录像 for the local TV stations. 7 a% S$ Z- q2 k; q, F" H

. X$ F) @" a1 C0 l3 k4 _" VTonight I’m going to talk about the most basic aspect of survival-the space suit. When most of you imagine an astronaut, that’s probably the first thing that comes to mind, right? Well, without the spacesuits, it would not be possible for us to survive in space. For example, outer space is a vacuum- there is no gravity or air pressure. Without protection, a body would explode. What’s more, we’d cook in the sun and freeze in the (shied) shade with temperature ranging from a (toast of) toasty烤 300 degrees above to a cool 300 degrees below zero Fahrenheit. : N% d8 `3 S" {
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The space suit that NASA has developed is truly a marvel. This photo (a large man) enlargement放大here is a life-size image of an actual space suit worn by astronauts on last space shuttle太空飞船 mission. This part, is the torso躯干, is made of seven extremely durable layers. This (fixalation) thick insulation protects against temperature extremes and radiation. Next is what they call a (blade) bladder气泡 of oxygen-that’s an inflatable膨胀的( e* k  G: E/ Q8 C, g8 b
(cell) sac囊, filled with oxygen to simulate atmosphere pressure. This bladder presses against the body with the same force as the Earth atmosphere (air) at sea level. The innermost layers provide the liquid cooling and ventilation通风. Despite all the layers, the suit is flexible allowing free movement, so we can work.
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Another really sophisticated part of space suit is the helmet. I’ve brought one along to show you. Can I have a volunteer come (in) and demonstrate?
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嗯 今天就到这了 今天没偷懒 每一篇都认真听写了，认真跟读了，继续加油！睡觉去咯！哈哈！
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7月13日 第1篇  A: A$ w8 I# s  [  I
分类下 astrology 35 ^0 U- w3 F) f8 F9 z
Questions 47-50 Listen to the beginning of a talk on astronomy.4 w% _6 j' A7 S5 y, d' V
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Most people think of astronomers as people who spend their time in cold observatories peering though telescopes every night. In fact, a typical astronomer spend most of his or her time analyzing data, and may only be at the telescope a few weeks (in a) of the year. Some astronomers work on purely theoretical problems and never use a telescope at all.
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; D+ `, f/ b! u% s: p* @: M" G: N  nYou might not know how (verily) rarely images (of) are viewed directly though telescopes. The most common way to observe the skies is to photograph them. The (path as says) process is very simple. First, a photographic (play) plate is (coded) coated with a (layer of) light sensitive material, the plate is positioned so that the image received by the telescope is recorded on it. Then the image can be developed (and larged) enlarged and published so that many people can study it.* c1 G% N0 R0 q( n" j6 g
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Because most astronomical objects are very remote, the light we receive from (the mist) them is rather feeble. But by using a telescope as a camera, long time exposures can be made. In this way, objects can be photographed that are a hundred times too faint to be seen by just looking though a telescope. ! C$ r6 B0 j$ B' G$ q7 W. H$ Q
7月13日 第2篇
  q- M1 Z' G) s+ {分类下 physiology and psycology 1
/ u2 R/ o9 I  ?" d6 RQuestions 39-42 Listen to a professor talk to new students about an experiment in child development( H: r% U/ o) |
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In our lab today, we’ll be testing the hypothesis that babies can count as early as five months age. The six babies here are all less than six months old. You’ll be watching (the) them on closed-circuit TV (in) and measuring their responses.
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, X$ o9 q, `1 o" x) w# w  M4 l6 dThe experiment is based on the well-established observation that babies stare longer it they don’t see what they expect to see. First, we are going to let two (doors) dolls move slowly in front of the babies. The babies will see the two dolls disappear behind a screen. Your job is to record in seconds how long the babies stare at the dolls once the screen is removed. , B0 f; q8 V0 {" P: @; F* b( _

* ?. Y3 l. |7 e" l, _$ kIn the next stage, two dolls will again move in front of the babies and disappear. But then a third doll will follow. When the screen is removed, the babies will only see two dolls. If we’re right, the babies will now stare longer because they expect three dolls but only see two. 9 w4 V" b4 i: |# y2 R  L
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It seems remarkable to think that such young children can count. My own research has convinced me that they have this ability from birth. But whether they do or not, perhaps we should (reason) raise another question: should we take advantage of this ability by teaching children mathematics at such a young age? They have great untapped potential, but (it isn’t) is it good for parents to pressure young children?
/ X8 x! R: E' [" d; k7 H6 D: C7 k7月13日 第3篇
+ ~  Q, P3 C( ~0 B9 F9 g分类下 physiology and psycology 2
  H- u. f/ ^- z6 c5 t3 HQuestions 43-46 Listen to a radio broadcast about sleep.
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% k3 p' o" b! b! }$ Z+ W4 z* s$ PDo you have trouble sleeping at night? Then maybe this is for you. When you worry about needing sleep and (torse) toss翻来覆去 and turn trying to find comfortable position, you’re probably only making matters worse. What happens when you do that, (It’s) is that your heart rate actually increases, making it more difficult to relax. 9 @( c# J& `( q6 O  S& h, ~. R

+ t# G4 G8 P" E0 w- O; B" g( RYou may also have some bad habits that contribute to the problem. Do you rest frequently during the day? Do you get virtually no exercise or do you exercise (strenuisly) strenuously激烈地 late in the day? Are you (prearchipad) preoccupied全神贯注 with sleep, or do you sleep late on weekends? Any or all of these factors might be leading to your insomnia by disrupting your body’s natural rhythm.
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* }# b, g( p9 m1 F7 V% G4 E9 i. XWhat should you do, then, on those sleepless nights? Don’t bother with sleeping pills, they can actually cause worse insomnia later. The best thing to do is drink milk, or eat cheese or tuna fish金枪鱼. These are all rich in (mineral) amino acids氨基酸 and help to produce a neurotransmitters in the brain that induces sleep. These neurotransmitters will help to relax and you’ll be on your way to getting a good night sleep.
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Until tomorrow’s broadcast, this has been another (inner) in the series ‘hints for good health’.

大家跟读的时候还看pdf材料吗？
0 u& |7 f' k& S' v) m0 v如果看的话，是看自己写过的还是原文啊？6 _) \  B$ y. x  }9 B( L

0 x; R$ f+ @- }还有，我刚开始跟读（看材料）
8 h9 T5 n( e% t( U总感觉跟读的时候自己发音都很不标准了3 d1 h3 Q7 V8 ?. ?' u+ K" q- ], }( I
只是在拼个速度
( y! a# C. |  n舌头有时候都乱了
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大家这种情况是怎么办的？
" n+ a8 Q8 j+ O5 ^% X& A9 G谢谢啊

跟读地时候，我都看自己写过地材料，看着不同颜色地文字，加强印象。。。
) A4 y- j( z% Q2 W  U跟着录音，多读几遍吧。

7月13日 第4篇1 F, _/ J; X- A: A
分类下 physiology and psycology 3
0 ~7 [' \5 O$ a  M7 aQuestions 46-50 Listen to part of a lecture on child’s psychology.
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Today we’re going to talk about shyness and discuss recent research on ways to help children learn to interact socially.
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Many people consider themselves shy. In fact, 40% of the people who took part in our (service) survey said they were shy-that’s two out of every five people. And (our) there are studies to indicate that the tendency toward shyness may be inherited. But just because certain children are timid doesn’t mean they are (don’t) doomed注定 to be shy forever. There are things-parents, teachers and children themselves-can do to overcome this tendency-and even to (provendent) prevent it.
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One researcher found that if the parents gently push their shy children to try new things, they can help these children become less afraid and less (inhibitant) inhibited羞怯. Another way to help shy children is to train them in social skills. For example, there are special training groups where children are (talking) taught things like looking at other children while talking to them, talking about other people’s interests and even smiling. 5 p) ?+ c( k5 F* t

2 h, a( p, N. L" [  H& [0 _$ ?These groups (are proven) have been very successful (as) at giving shy children a place to feel safe and (excepted) accepted, and ( they are) at building up their self-esteem. 2 G4 z2 d1 `3 v& x4 Y
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7月13日 第5篇2 A: U8 O6 x' j- e
分类下 physiology and psycology 4
+ _$ c9 i! ?! ~3 ]/ k0 e$ OQuestions 47-50 Listen to a psychologist talk about sleep problem.
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0 w( B  }4 t+ o) @3 }2 t! ~You might think that most of the patients at sleep clinics门诊 are being treated sleeplessness, commonly referred to as insomnia. But that is not the case. The majority of sleep clinic patients suffer from disorders of excessive sleep-or hypersomnia. While most (insomnia acts) insomniacs失眠患者 somehow mange to drag themselves through the day (in) and function at acceptable, although not optimal levels, this is not so for people who suffer from hypersomnia./ O% ~4 f- i6 P5 v2 p7 p$ }  W
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They are incapacitated无能 by irresistible不能抵抗地 urges to sleep during the day, often in inappropriate situations: at business meetings, in supermarkets, or parties. Even more dangerous is their failure to remain awake (in) when driving or operating machinery. Falling in sleep in such situations could obviously be life-threatening. ' q1 ~7 w9 a2 B4 K& \. W

7 J3 G+ h. p" O; lMany hypersomniacs suffer from narcolepsy嗜睡, for which the primary (system) symptom is excessive daytime sleepiness. Though not apparent in childhood, (it seems) this symptom most often appears for the first time during teen years and continues throughout a person’s life. The sleep attacks may occurs as many as 15 to 20 times during the course of the day and last for periods (for) from 15 minutes up to two hours. + B5 j8 l9 A6 G: c- `* @' P& ~

, p6 F5 U3 W2 R! c. ^9 [What can be done to help those suffering from narcolepsy? There are certain drugs that can help, and (specially) specialists专家* L3 l) K' ]" j" u1 J4 z, O' o
suggest voluntary napping to decrease the frequency of such sleep attacks.

跟读的时候看自己写的材料这样才知道你哪有缺陷，不用跟他拼速度，你对文章熟了自然就快了。多读吧

7月13日 第6篇0 {3 e/ z: I/ Y4 C1 b
分类下 physiology and psycology 5
" J5 Z. [' ]2 O) n6 VQuestions 44-46 Listen to a person on the radio talking about Moods.
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4 ^9 [: b. P0 b2 x) R7 t4 {/ mDid you know you can catch a mood? (Above) A bad mood isn’t spread by a (very slight) virus like the flu is, but it can be contagious传染. Mood sort of drift from person to person unconsciously-slight unintentional signals carry the mood. 3 i- b# c1 {/ ^
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You’ve probably experienced it yourself. (During) You are around someone who is feeling down and showing it. Slumped垂下 shoulders, downcast沮丧 mouth, (some do) subdued屈服 voice –all that sort of thing. Pretty soon, you begin to feel (the press) depressed, too. Of course, good moods are also catching, not just bad ones. 0 Q3 C  I- A) i/ v8 C7 M/ ?0 m

6 u  Z3 U$ y1 d; Q  ^2 ZMood spreads in steps. One person’s facial expression or whatever is observed by another who then unconsciously begins to mimic. The process is automatic, a split second mimicry. The person isn’t even aware of the copying. A full-blown case of mood transfer develops as this copying continues. ' ]2 g+ {8 j5 i" w" n! P- b7 O: o8 k
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Not everyone picks up moods to the same degree. Those who are most (acceptable) susceptible易受影响地 often have strong physiological responses to what’s going on around them. You know people who break out in a nervous sweat easily and whose stomachs churn搅动.( l! |) c3 D5 O. B
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People don’t all (sign) send moods equally well either. The best mood senders are expressive people because mood contagion can’t happen without signals. If they aren’t there, that is, the person gives no indication of the mood they are in, nobody will pick up the mood.