单项选择题

Questions 1 to 5 are based on the following conversation.

A． They are trying to find another planet for human beings to live on.
B． They are looking for fossils on Mars.
C． They are sending robots to Mars.
D． They are digging underground the Mars.
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单项选择题
A． It is produced by famous people.B． It gives advice about life.C． It’s expressed in myths, fairy tales, legends and songs.D． It is extremely humorous.
A． It is produced by famous people.
B． It gives advice about life.
C． It’s expressed in myths, fairy tales, legends and songs.
D． It is extremely humorous.
单项选择题
A． They are a group of astronauts.B． They are several scientists who are interested in the moon.C． They are a group of scientists and engineers who study Mars.D． They are NASA staff.
A． They are a group of astronauts.
B． They are several scientists who are interested in the moon.
C． They are a group of scientists and engineers who study Mars.
D． They are NASA staff.
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