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【单选题】
活塞式制冷压缩机假盖的主要作用是_____。A.
改善缸头冷却
B.
减少余隙空积
C.
降低排气阻力
D.
防止液击造成机损
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举一反三
【简答题】《咬文嚼字》有些自然段的开头是这样的：“这是炼字的好例”，“这番话不免噜嗦”，“这是一个善用联想意义的例子”，“以上只是随便举几个实例”。试问，这些话在文章的结构中起什么作用？
【简答题】One morning in Philadelphia, the sun shone bright through all the thick jungles and the tall churches. John, 6, wearing the worn-out clothes, walked from a far place, his dark small hands holding a pi...
【单选题】Tom Brennan was working in a Philadelphia office building when he noticed a black bag. The bag contained a book. This chance discovery ended a 12-day search by the Library Company of Philadelphia for ...
A.
a lost diary
B.
Deborah Logan
C.
Cory Luxmoore
D.
the Library Company
【简答题】Tom Brennan was working in a Philadelphia office building when he noticed a black bag. The bag contained a book. This chance discovery ended a 12day search by the Library Company of Philadelphia for a...
【简答题】家居空间墙体的厚度一般为______毫米。
【简答题】、 Fill in the blanks with the proper form of the following words or expressions you have learned in the text. in vain warm up make up cut...up snow-capped stick out wear down run cover 1. All t he wo...
【简答题】One morning in Philadelphia, the sun shone bright through all the thick jungles and the tall churches. John, 6, wearing the worn-out clothes, walked from afar, his dark small hands holding a piece of ...
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