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对话听写训练 1TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外6 S" S7 x% ~- C+ @

1 }3 ?8 p9 h7 s7 s, m小马过河-新托福专业备考社区Hi, Frank. What are you up to? Is that really a French grammar book?
& |" Z' k. K0 H6 r" Z' A小马过河-新托福专业备考社区Well, I'm trying to teach myself some French. For I wanna go to Montreal next semester, I don't want   sound like just another tourist. Most of the people there are bilingual. / v: p" s% Z* P0 D0 k
Leave Boston to go to Montreal? I didn't know this university had a program in Canada.
+ n: A2 O* v- D小马过河-新托福专业备考社区It doesn't. I'm planning to take a short leave of absence from school so I can go there on my own.
( _) L( B" I* W小马过河-新托福专业备考社区What's the reason for this sudden interest in Canada?
: S+ ?/ h( ?4 p) y/ f: HTOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外Well, actually I've been thinking about going for some time now. I know someone there who's been wanting me to visit.
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  q5 f( p- V- k7 J  gTOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外An old friend of my uncle's runs a chemical engineering department up there. So I'm hoping he can help me enroll in some interesting courses. 小马过河7 ~% F% d" ]% y1 \9 {" Z7 [/ D% j, m
If you want those credits transferred back here later on , you'd better arrange for it before you leave. Don't forget what happened to Susan after she came back from Rome. ; I0 @+ l1 ?5 f1 a6 c) g, N& E( t- Y
Yeah. But her situation was different. I already have all the credits I need to graduate. 小马过河-新托福专业备考社区, M% G: N/ x1 b% t- e% O
So you'll be taking the courses just for the sake of learning. # P( n& ~0 y/ s- F) Q& z0 {
That will be a nice change of pace, won't it?
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, g8 }9 v+ N+ i8 F# SIt's important that you all understand that quartz heaters operate on a totally different principle than common convection heaters. Yes?
0 ]# V4 c' T' b* C- u0 D( CTOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外Could you give an example of a convection heater? 8 U: P0 N4 h. I5 G7 h3 L4 g+ U
OK. But first you tell me what convection means. TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外' Y' @5 l2 q4 d0 H5 e! R8 W2 i
Uhm, well, you said in the last class, I think, that convection is the transference of heat by a liquid or a gas.
. d& n- p6 F, S2 i( ]小马过河-新托福专业备考社区Right. A heater is using convection when it warms the air in a room. And the air in turn warms the people and objects in the room. A hot water radiator, a stove and a forced air furnace are all convection heaters. A quartz heater, on the other hand, heats the objects and people in a room without heating the air. It does this by producing radiation heat that travels like light waves. When the quartz crystal in a heater vibrates at a particular frequency, its energy is turned into infrared radiation. The radiation is then directed at objects by means of a reflector. If that's clear, let's move on how room design can affect heating efficiency. + s; K! F$ _1 f2 L

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演讲听写训练 1
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' A' M9 t; _, F- f$ Y% @+ Q+ X9 E小马过河-新托福专业备考社区As a result of rising university costs, many students are finding it necessary to take on part-time jobs. To make finding those jobs easier, the placement services put together a listing of what is available locally. For some students these part-time jobs could lead to full-time work after graduation as they may offer experience in their own fields, be that finance, marketing, or even management. For example, National Savings Bank offers work on a half time basis: that's twenty hours a week. Retail stores and restaurants have positions requiring fewer hours, even less time as expected of those providing child care. We have a number of families registered with us who were looking for baby sitters for as few as four hours a week. For students who prefer outdoor work, there are seasonal positions right on campus working with the gardening and landscaping teams. These often require the most time and are the least flexible in terms of scheduling. To see a complete list of these and other available jobs, including the salary offered and the hours required, stop by our office. Oh, and be sure to bring a resume with you. When you find something that interests you, we'll put you in touch with the person offering it. In addition, our counselors will give you hints about successful interviewing. www.xiaomaguohe.net0 E) ?4 ?8 x. h0 W, R
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5 r2 D8 {: p; x# o0 s4 _ [小马过河-新托福专业备考社区]In this century photograph have been really important for teaching our history. I'll show you what I mean at the moment with some photographs taken by Peter and Paul Julie. The work of these two photographers has been a very useful source for studying the arts produced in the United States from 1896 to the present. Peter and Paul Julie were not artists but they were a regular part of the New York art theme. They took over a hundred thousand photographs which document the lives and work of thousands of artists. Peter Julie is known as a pioneer in this field of art photography. Georgia O'keeffe and other famous artists sought him out to take pictures of their work. His specialty was photographing paintings. His son Paul photographed sculptures. Some of their most important photos are the ones of the works of art that have since been destroyed. One example is a photo that we'll look at today. Would someone give the lights please? Thanks. This slide is from a photograph of a painting by Edward Hopper called Corn Belt City. The painting was exhibited only two or three times before it was destroyed in a fire. Without the Julie photograph, no visual record of the work would exist. Although the Julie's mostly photographed the work of painters and sculptors, they also occasionally photographed architectural subjects. They did quite a few photos of buildings by John Russell Pope. And we are going to look one of those next.
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演讲听写训练 3TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外* _! {9 V: _3 \+ A2 k  r+ H) f0 J
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Did you know that vegetables can be tricked into growing in the climates they are not accustomed to? Cool climate vegetables like asparagus are now able to be grown in places as hot as Hawaii. In Hawaii, marine engineers have been able to actually convince such vegetables that they are living in cooler climates. That way they grow faster and taste better. What these engineers have been using is very simply cold sea water. How did they use it? They place pipes in the soil and cold water flowing through them cools the earth. This stimulates plant growth and enables gardeners in tropical climates to grow crops from cooler climates. Also some of these pipes are exposed to the air and they condense moisture and thus irrigate the gardens. What is especially appealing about this process is that nothing damaging to the natural environment is being used. Another innovative use for cold ocean water is to cool buildings. Engineers believe that for example the entire west coast of the United States could be air-conditioned using seawater. We'll be back to discuss that possibility after this commercial message.

路漫漫其听写远兮……吾将拿刀插自己……