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【单选题】
绝大多数金属材料能够凝固为晶体是因为（ ）A.
熔体的粘度值极小
B.
熔体的粘度值极大
C.
熔体的密度值大
D.
熔体的粘度值合适
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【简答题】Reading is an activity that people enjoy a lot in their free time. Some like reading newspapers and o________小题1: enjoy novels or comic(喜剧的) books. My favourite books are t________小题2:about the lives ...
【单选题】听力原文：When will the opening ceremony begin? (A) It's eight o'clock. (B) There will be eight clocks. (C) It will begin at eight o'clock. (11)
A.
B.
C.
【简答题】阅读理解。 Newspapers are very important in our daily life. Many people begin their day by reading the paper. In this way they learn what is going on in the world. Sometimes, however, they didn't have the ...
【单选题】Books are for reading, but man must bring to their reading a desire to learn and a power of absorbing. Reading should be active, not passive. (79)When students first go to a library, they may be at a ...
A.
read as many books as he can
B.
try to read books on all the different subjects
C.
only read books on subjects that interest him
D.
read and absorb a lot
【单选题】中国茅台酒的酒度为 53 度,是指________。
A.
每 100 克酒中含有纯酒精 53 克
B.
每 100 克酒中含有纯酒精 53 毫升
C.
每 100 克酒中含有纯酒精 53 毫升
D.
每 100 毫升酒中含有纯酒精 53 克
【简答题】当在一阶 RC 电路中,若 C 不变, R 越大,则换路后过渡过程越 。
【简答题】在一阶 RC电路中,若C不变,R越大,则换路后过渡过程越 。
【简答题】在一阶RC电路中,若C不变,R越大,则换路后过渡过程越 。
【简答题】当在一阶 RC 电路中,若 C 不变, R 越 小 ,则换路后过渡过程越 。
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