A．expenseB．payC．debtD．charge
A. expense
B. pay
C. debt
D. charge
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Which of the following is true of Livingston？ ______
A. He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth.
B. He has great doubts about the theory that the sun's frequent changes have an influence on the Earth's climate.
C. He has been recently informed by other scientists of the possibility that more sun spots will appear.
D. He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
A．turned inB．tuned upC．turned outD．given in
A. turned in
B. tuned up
C. turned out
D. given in
【B20】
A. turned
B. shown
C. faced
D. exposed
毛泽东思想活的灵魂是（）。
A. 实施求实、群众路线、党的建设
B. 实施求实、群众路线、独立自主
C. 武装斗争、统一战线、批评与自我批评
D. 统一战线、武装斗争、党的建设
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