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【单选题】
正垂面在三投影面体系中,类似性投影在 ( )A.
V 、 H 面上
B.
V 、 W 面上
C.
W 、 H 面上
D.
V 、 H 、 W 面上
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举一反三
【单选题】What does the sentence 'If it is not speeding discoveries, it is certainly accelerating communication' most probably mean?
A.
The quick speed of correspondence may have ill-effects on discoveries.
B.
Although it does not speed up correspondence, it helps make discoveries.
C.
It quickens mutual communication even if it does not accelerate discoveries.
D.
It shrinks time for communication and accelerates discoveries.
【简答题】A．items B．goods C．objects D．discoveries
【简答题】拉深工艺的辅助工序主要有 、 和 三种。
【简答题】A．origins B．sources C．bases D．discoveries
【简答题】水准仪是指能够提供一条 的仪器。
【单选题】What did Einstein credit his discoveries to?
A.
He credited his discoveries to orthodox intelligence more than imagination and endless questioning.
B.
He credited his discoveries to imagination and endless questioning more than orthodox intelligence.
C.
He credited his discoveries to imagination and orthodox intelligence.
【简答题】水准仪是指能够提供 的仪器。
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