题目内容

Questions 15-18

A. It influences the surface temperature of Mars.
B. It protects living beings from harmful rays.
C. It keeps a planet from overheating.
D. It is the main component of the air people breathe.

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Questions 15-18

A. Because people might have to migrate there someday.
Because it is very much like the earth.
C. Because it is easier to explore than other planets.
D. Because its atmosphere is different from that of the earth.

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Questions 15-18

A. Its chemical elements must be studied.
B. Its temperature must be lowered.
C. Big spaceships must be built.
D. Its atmosphere must be changed.

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Directions: In this part of the test, you will hear several short talks and conversations. After each of these, you will hear a few questions. Listen carefully because you will hear the talk or conversation and questions ONLY ONCE. When you hear a question read the four answer choices and choose the best answer to that question. Then write the letter of the answer you have chosen in the corresponding space in your ANSWER BOOKLET. Questions 11-14

A. The latest computer technology.
B. The organizing of an exhibition.
C. The purchasing of some equipment.
D. The dramatic changes in the job market.

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Directions: In this part of the test, you will hear several short statements. These statements will be spoken ONLY ONCE, and you will not find them written on the paper; so you must listen carefully. When you hear a statement, read the answer choices and decide which one is closest in meaning to the statement you have heard. Then write the letter of the answer you have chosen in the corresponding space in your ANSWER BOOKLET.

A. Since there are more jobs available, more students choose computer science as their major.
B. There are not enough grads qualified for computer science employment.
C. More students graduating with computer science degrees can meet the qualification.
D. There are more than enough grads qualified for computer science employment.

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Questions 15-18

A. It influences the surface temperature of Mars. B. It protects living beings from harmful rays. C. It keeps a planet from overheating. D. It is the main component of the air people breathe.

Questions 15-18

Questions 15-18

A. It influences the surface temperature of Mars.
B. It protects living beings from harmful rays.
C. It keeps a planet from overheating.
D. It is the main component of the air people breathe.