文档介绍：Unit4
Section One Tactics for Listening
Part 1 Phonetics-Stress, Intonation and Accent
1 . A: Excuse me. Could you tell me where the secretary's office is please?
B: Yes. It's up the stairs, then turn left, ... ↗
2. A: Excuse me. Can you tell me where the toilets are?
B: Yes, they're at the top of the stairs.↘
3. A: What did you do after work yesterday?
B: Ah, well, I went for a drink in the pub opposite the car-park. ↘
4. A: What did you do after work yesterday?
B: Oh, I ran into Jane and Tom ..... ↗
5. A: Excuse me, can you tell me how the machine works?
B: Certainly. Erm, first of all you adjust the height of the stool, and then put four 10 pence pieces there, ...↗
6．A：Excuse me, can you tell me how the machine works?
B：Yes. You put 30 pence in the slot and take the ticket out here. ↘
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Part2 Listening and Note-taking
Frog legs
People want frogs mostly for food. Many Asian cultures have included frog legs in their diets for centuries -- or at least until they have run out of frogs. But the most famous frog-eaters, and the people who inspired frog-eating in Europe and the United States are the French. By 1977 the French government, so concerned about the scarcity of its native frog, banned commercial hunting of its own amphibians. So the French turned to India and Bangladesh for frogs.
As happened in France, American frog-leg fanciers and restaurants also turned increasingly to frozen imports. According to figures collected from government agencies, the United States imported more than million pounds of frozen frog meat each year between 1981 and 1984.
So many frozen frog legs were exported from India to Europe and the United States. One of the attractions of Indian frogs, apart from the fact that they have bigger legs than French frogs, w