皮皮学，免费搜题
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搜题
【简答题】
Listen and match the photos with the corresponding interview types.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】LIN-BUS总线采用单总结/多从机模式工作,不需___________机制。
【单选题】When _____ about one of the biggest concerns today, many citizens mentioned the sharp rise in housing price.
A.
asking
B.
to ask
C.
asked
D.
having asked
【单选题】When ________ about one of the biggest concerns today, many people mention the sharp rise in prices. [ ]
A.
asking
B.
to ask
C.
having asked
D.
asked
【单选题】One of the most pressing problems regarding the sea today concerns not its resources, but its conservation. There are limits to the amount of waste that can be absorbed by the oceans. Already, fish ca...
A.
the high percent decrease of fish catches during the past forty years
B.
ever-increasing amount of waste dumping into the sea
C.
invalidness of an international law
D.
Both A and B
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