Skylab was the only space station that the United States launched by itself.
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It was Werner Von Braun who first introduced the idea of building a space Station for exploration.
A. Y
B. N
C. NG
The March 1952 edition of Collier's Magazine featured a space station shaped like a wheel
A. Y
B. N
C. NG
听力原文:M: Did you notice after almost ten years in the United States, Mr. Lee still speaks English with such a strong accent.
W: Yes, but he is proud of it. He says it is a part of his identity.
Q: What does the conversation tell us about Mr. Lee?
(17)
A. His English is still poor after ten years in America.
B. He doesn't mind speaking English with an accent.
C. He doesn't like the way Americans speak.
D. He speaks English as if he were a native speaker.
听力原文:M: I can't find my pen. I need to write a letter.
W: I'll look for it later. Right now I need you to help fix the shelf before paint it.
Q: What would they do first?
(14)
A. Fix the shelf.
B. Paint the shelf.
C. Write the letter.
D. look for the pen.