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【单选题】
标准的承载能力取决于( )。A.
键的剪切强度
B.
键的弯曲强度
C.
键连接工作表面挤压强度
D.
轮毂的挤压强度
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举一反三
【单选题】______ his fluent English, he must______ in America for a long time.
A.
Judged by have stayed
B.
Judged by be staying
C.
Judging from have stayed
D.
Judging from be staying
【简答题】组合逻辑电路的基本 单元是 ,时序逻辑电路的基本单元是 。
【简答题】组合逻辑电路的基本单元是
【单选题】A He thinks quickly. B. He communicates well. C. He speaks fluent English. D. His voice is clear.
A.
A He thinks quickly.
B.
He communicates well.
C.
He speaks fluent English.
D.
His voice is clear.
【简答题】His fluent English and profound knowledge make a deep impression __________ others.
【单选题】His fluent English ______the position.
A.
is qualified for
B.
qualifies him to be
C.
is qualified to be
D.
qualifies him for
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