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【单选题】
一个冲程中，活塞从上止点到下止点所扫过的空间称为：（）A.
燃烧室容积
B.
气缸总容积
C.
气缸工作容积
D.
存气容积
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】That outstanding scientist is good at _____________.
A.
taking things into being
B.
bringing things into being
C.
coming into being
D.
making things into being
【单选题】Being good at making _____ relies a lot on critical thinking skills which can be a difficult thing to teach.
A.
inferences
B.
compositions
C.
predictions
D.
sentences
【简答题】Modern mass-production methods lower the cost of goods, and thus give us better values. At the same time, American ingenuity ( 独创性 ) and science are constantly at work improving the quality of ...
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