题目内容
10．-Jim，are these your keys？（ ）-____．They're hers．
| A． | Yes，it is | B． | No，it isn't | C． | Yes，they are | D． | No，they aren't |
分析 --Jim，这你的钥匙吗？
--不，不是．是她的．
解答 答案：D．
根据问句问的是"Jim，这是你的钥匙吗？"，结合答语中的They're hers确定应该使用否定回答，再根据问句中的your keys确定用代词they而不是it，故选D
点评 在把握话题和语境的基础上，针对对话的设空处，细读所提供的选项，认真分析它们之间的异同，依据有关情景内容，选择正确的答案．
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52．If a river ispolluted，farmers can't use the water for their crops．
53．The Internet is morepowerful than books．It is influencing our lives alot．
54．The students who are good at writing can always use wordsproperly．
55．Children usually attend a primary school at the age ofsix in China．
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