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【简答题】
内、外螺纹旋合时 , 需要哪些要素相同 ?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】原动肌是指以主动( ),直接完成( )的肌肉或肌群。
【单选题】－－－ You just think of yourself! You kept me waiting for at least three hours. －－－ I’m sorry that
A.
73. --- You just think of yourself! You kept me waiting for at least three hours. --- I’m sorry that you _____ think so. A．will
B.
would
C.
should
D.
Could
【单选题】Don' t be _________ at the examination, and believe that you can do well in it.A．anxiousB．upsetC
A.
73. Don' t be _________ at the examination, and believe that you can do well in it. A．anxious
B.
upset
C.
nervous
D.
Worried
【单选题】《纲要》中关于社会领域的总目标提出:理解并遵守日常生活中的基本社会行为规则,这条目标的提出属于幼儿哪一社会性发展内容( )。
A.
自我意识
B.
人际交往
C.
社会规范
D.
多元文化
【单选题】If you have steel wire ropes leading in the same direction with other ropes, which will take the most of the load?
A.
Steel wire rope
B.
Manila
C.
Nylon
D.
Polypropylene rope
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