单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

[A] The surface of the ocean is expanding. [C] The surface of earth contains tons of cosmic dust.
[B] Volcanic activity is increasing. [D] Thousands of comets are colliding with earth’s atmosphere.
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单项选择题
[A] A technical associate degree. C. A bachelor’s degree.B. A degree which is designed for transfer. D. The last degree one can ever hope to attain.
[A] A technical associate degree.
C. A bachelor’s degree.
B. A degree which is designed for transfer.
D. The last degree one can ever hope to attain.
单项选择题
[A] Fishing and hunting. C. Nuclear science.B. He began to show great interest in natural beauty. D. Amateur radio.
[A] Fishing and hunting.
C. Nuclear science.
B. He began to show great interest in natural beauty.
D. Amateur radio.
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