We can infer from the second paragraph that______.
A. answers to the origin of the moon have been found out at last
B. scientists are eager to send more astronauts to space
C. technology helped scientists understand the universe more and better
D. astronauts could not return to the earth without the help of scientists
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It's so long since I last: saw her that I couldn't______her.
A. realize
B. review
C. acknowledge
D. recognize
______, we missed our train the day when we were back to Paris.
A. With the bus late
B. The bus to be late
C. The bus being late
D. The bus was late
What is TRUE about the words？
A. They are used to express feelings only.
B. They can not be written down.
C. They are simply sounds.
D. They are mysterious.
The word "bonanza" in the last paragraph is closest in meaning to ______.
A. myth
B. challenge
C. celebration
D. success
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