视听说第四册第二单元

Directions: In this section, you will hear several conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversations and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer.

1.

A) A paper greeting card.

B) A website.

C) An email.

D) A letter of complaint.

答案：C

2.

A) He doesn't play computer games now.

B) Homework is heavier now than before.

C) He hardly finds time to play computer games.

D) Computer games are not as good as before.

答案：A

Questions 3 to 5 are based on the conversation you have just heard.

3.

A) Australia

B) New Zealand

C) Canada

D) Britain

答案：B

4.

A) inexpensive long-distance calls

B) international calls

C) local calls

D) Internet phone calls

答案：D

5.

A) She should have a faster Internet connection.

B) She should install a special device.

C) She should ask her cousin to use the software.

D) She should pay the fee for the first month.

答案：C

Section B

Directions: In this section, you will hear several short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).

Passage One

Questions 6 to 10 are based on the passage you have just heard.

6.

A) make things happen as we desire

B) change matter from large to small

C) build very advanced devices and tools

D) shape matter one atom at a time

答案：D

7.

A) useful

B) outdated

C) misleading

D) complicated

答案：C

8.

A) The pursuit of more riches.

B) The effort of building things from raw materials.

C) The understanding and experience of changing matter.

D) The religious reading of God's books.

答案：C

9.

A) they were using the opposite of nanotechnology

B) they did not understand their raw materials

C) they were doing dangerous things

D) they changed matter into useful tools

答案：A

10.

A) Chemistry is different from nanotechnology, which belongs to physics.

B) Chemistry is nanotechnology done on a large scale.

C) Nanotechnology depends on chemical processes.

D) Nanotechnology as a group is the same as chemistry.

答案：B

Passage Two

Questions 11 to 15 are based on the passage you have just heard.

11.

A) less dangerous than

B) as dangerous as

C) as illegal as

D) more dangerous than

答案：D

12.

A) 2 seconds

B) 1 second

C) 1/2 second

D) 1/3 second

答案：C

13.

A) Cell phones are produced more than ever before.