What's the usual reason for stress？
A. Unsettled problems.
B. Limited capability.
C. Pressures from outside sources.
D. Personality.
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“牛李党争”中，李党的首领是()。
A. 李德裕
B. 李宗闵
C. 李吉甫
D. 李怀光
The phrase "make a difference" in the last paragraph means ________.
A. differentiate
B. influence
C. change
D. resolve
The United States is a democracy in that______.
A. the government is elected by the citizens
B. the rules and laws are made by the people
C. what the president does is under permission of all the citizens
D. everyone has a right to make changes in its future
When you meet some difficulties, you'd better ________.
A. change them
B. accept them
C. give them up
D. identify them
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