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Questions 16 to 18 are based on the passage you have just heard.[音频]

A. To measure the movement of waves in the ocean .
B. To determine whether the Earth’s temperature is going up .
C. To study the behavior of some sea animals .
D. To measure the depths of the ocean .

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Questions 16 to 18 are based on the passage you have just heard.

A. To attract more sea animals to the testing site .
B. To drive dangerous sea animals away from the testing site .
C. To help trace the sea animals being tested .
D. To determine how sea animals communicate with each other .

Questions 16 to 18 are based on the passage you have just heard.

A. They were frightened and distressed .
B. They swam away when the speaker was turned on .
C. They swam closer to “examine” the speaker when it was turned of .
D. They didn’t seem to be frightened and kept swimming near the speaker .

Questions 19 to 21 are based on the passage you have just heard.[音频]

A. The performance required for a certain job .
B. The required behavior , knowledge and skills .
C. The training contents and methods required .
D. The costs and the quality of the programme .

Questions 19 to 21 are based on the passage you have just heard.

A. The difference between a job description and job specification .
B. The difference between what is taught , and how it is taught .
C. The difference between the costs and the quality of the programme .
D. The difference between the training contents and methods required .

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