施心远主编《听力教程》1（第2版）Unit 8听力原文和答案

Thirteen federal agencies conducted the research. 3. Which is the lead agency for the report?

The Department of Agriculture was the lead agency for the new report. 4. On what condition are grain and oilseed crops likely to develop faster?

Grain and oilseed crops are likely to develop faster if carbon dioxide in the atmosphere is increasing. 5. What is more easily affected by climate change than grain and oilseed crops?

Horticultural crops such as tomatoes, onions and fruit are more easily affected by climate change. C: Complete the following form.

Parts of the United States Much of the East and South The West and Southwest

Climate change

Gets more rain than a century ago.

Have evidence of increased drought conditions. For example, there are less snow and ice on the mountains in western states and the snow melts earlier in the spring.

News Item 3

Science has made it possible to harvest energy from the wind, sun and water. All these renewable resources are used today to power an energy-hungry world. But imagine harvesting energy from crowds of people moving to and from work every day. That is one of the possibilities of piezoelectricity, the science of gaining power from motion.

James Graham and Thaddeus Jusczyk are two graduate students at the Massachusetts Institute of Technology in Cambridge. They designed a way to capture the energy of people' footsteps.

They created a design for a special floor covering that moves a little when people step on it. The movement would create an electrical current that could be captured to provide electrical power.

Gathering power from the movements of large groups of people is called \to grow.

Exercise A:

This news item is about gathering electrical power from the movements of people.

Exercise B: Listen to the news item and give the definition of the following expressions.

Piezoelectricity: the science of gaining power from motion Crowd farming: gathering power from the movements of large groups of people

C: Complete the following passage.

James Graham and Thaddeus Jusczyk are two graduate students at the Massachusetts Institute of Technology in Cambridge. They designed a way to capture the energy of people’s footsteps. They created a design for a special floor covering that moves a little when people step on it. The movement would create an electrical current that could be captured to provide electrical power.

Section Three Oral Work Part 1 Questions and Answers Radio: Good afternoon. This is Radio Brighton. It’s two o’clock and time for “On the Town” and this is Judy Nash introducing the program.

Judy: Hello. I’m here on Palace Pire and it’s a beautiful holiday. The pier is crowed with visitors, Let’s talk to some of them. Where do you come from, sir?

Ben: Montreal.

Judy: All the way from Canada? Ben: That’s right.

Judy: Are you enjoying yourself here in Brighton? Ben: Yes. It’s a lovely day and there’s lots to do. Judy: How much of Brighton have you seen?

Ben: Not very much—we’ve only been here for an hour. Judy: Where are you going now? Ben: We’re going to Royal Pavilion. Judy: And after that? Ben: We haven’t decided yet. Judy: What about tonight?

Ben: We’ll probably go to a restaurant and then catch the last train back to London.

Judy: Well, thanks for talking to us, and have a good time. Exercise: