Which ones belong to the small talk among the following topics?
A. Free Time and Hobbies
B. Where are you from?
C. Family and Kids
D. Academic Project
E. The Common Interests
查看答案
What is the meaning of immediate family?
A. Close family
B. The family only includes the parents and their kids.
C. 核心家庭
D. The family will move away immediately.
光纤通信中，通常用光（）来解决反射光的问题。
A. attenuator衰减器
B. coupler耦合器
C. isolator隔离器
D. Loop device环路器
The U.S. Constitution came into effect in _________
A. 1787
B. 1789
C. 1791
D. 1793
The Constitution of the United States____________
A. gives the most power to Congress
B. gives the most power to the President
C. tries to give each branch enough power to balance the others
D. gives the most power to the Supreme Court
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