What does the American culture teach people？
A. Protesting their unequal treatment.
B. Enduring all the hardships willingly.
C. Fulfilling their dreams through hard work.
D. Learning how to get freedom and equality.
The author isn't sure whether her aunt and uncle really liked the gift because ______.
A. the gift was not good enough for them
B. they had been guided to say they liked it
C. they were accustomed to tell white lies
D. they were too polite to hurt her feeling
听力原文：W: You had met Professor Black before,right？How would you describe his lectures？
M: Well,let me put it this way: I could never stay awake in one of his classes without first drinking at least two cups of coffee.
Q: What does the man imply？
(16)
A. He is fond of drinking coffee.
B. Professor Black's lectures were interesting.
C. He skipped Professor Black's classes.
D. Professor Black's lectures were boring.
A．They are found under the oceans.B．They were most active when Earth was first formed.
A. They are found under the oceans.
B. They were most active when Earth was first formed.
C. Their emissions created the Earth's atmosphere.
D. Their fumes are mostly water.
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