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【单选题】
铆合铆钉前，钢板未夹紧将造成()。A.
铆钉松动
B.
钉头裂纹
C.
钉头浮离
D.
钉头缺边
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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】聚类分析分为 Q 型聚类和 R 型聚类, 其中 Q 型聚类是对 进行聚类, R 型聚类是对 进行聚类。
【单选题】The Columbia has finished the task in the International Space Station and is reported to come back to the earth tomorrow, or to be more _____ , at 3:32p.m. local time.
A.
brief
B.
special
C.
general
D.
specific
【单选题】下面关于立体化学问题的说法,正确的是:
A.
分子中具有一个手性碳的化合物，如果手性碳是 R 构型的，则化合物一定是右旋。
B.
分子中具有手性碳的化合物一定具有手性。
C.
外消旋体和内消旋体都是纯净物。
D.
一对对映体，如果其中一个是右旋的，则另一个一定是左旋的。
【判断题】材料的孔隙率越大,则其吸水率也越大。( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
【单选题】听力原文：M: The winter does come today, I think. W: Sure it does. It is reported that the temperature goes below 15 degree. And my fingers got totally numb. What shall I do with them? Q: What is the woman...
A.
She will listen to the weather report.
B.
She will light the furnace.
C.
She will turn on the lights.
D.
She may go outside.
【简答题】There was always music on in my house when I was little.I loved listening to Metallica, Led Zeppelin, Bob Marley, Michael Jackson. My dad was a DJ, so he played disco, (7)____________, dance, rock, an...
【单选题】It is reported that most of the people who are drugs used to be wealthy.
A.
appreciated to
B.
addicted to
C.
looking forward to
D.
devoted to
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