| 考博易错题（2016-1-13） |
| 第1题：They are sure they have all the facts they need to ______ the existence of a black hole. A．obtain B．maintain C．verify D．display |
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| 第2题：
单项选择 |
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| 第3题：The neighborhood boys like to play basketball on that ______ lot. A．valid B．vain C．vacant D．vague |
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| 第4题：The police must have a search ______ to search a house, otherwise their search will be considered as illegal intrusion. A．certificate B．guarantee C．license D．Warrant |
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| 第5题：The enemy finally had to ______ their troops from the occupied area. A．retreat B．dismiss C．return D．withdraw |
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| 第6题：Body paint or face paint is used mostly by men in preliterate societies in order to attract good health or to ______ disease. A．set aside B．ward off C．shrug off D．give away |
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| 第7题：The sight of a sick horse being driven along the streets of the village remained ______ him for weeks. A．of B．on C．to D．with |
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| 第8题：He gives ______ to his anger by kicking chairs. A．vent B．rig C．hose D．curb |
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| 第9题：As the trial went on, the story behind the murder slowly ______ itself. A．convicted B．haunted C．released D．unfolded |
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| 第10题：He ______ to his customers and halved the price. A．leaked B．drew C．quoted D．yielded |
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