From the passage, we can see the main idea of this selection is that ______.
A. a Chinese junk is a very excellent ship.
B. a Chinese junk looks extraordinary only outside.
Chinese emperor sent gifts to a queen in a distant country.
D. Chinese people were good at trading with many foreign countries.
Which of the following computer games are NOT mentioned as educational and harmlessly entertaining？
A. Those that teach how to fly an airplane.
B. Those that teach the features of the earth.
C. Those that help people use computer language.
D. Those that teach computer technology.
最早提出技术创新概念的学者是()。
A. 美籍科学家J.A.熊彼特
B. 法国科学家普佐夫
C. 法国科学家狄德罗
D. 英国科学家牛顿
听力原文：M: Excuse me. Are you Linda's sister？
W: No, I'm her cousin.
Q: Who is the woman？
(2)
A. Linda's mother.
B. Linda's cousin.
C. Linda's aunt.
D. Linda's sister.
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