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【单选题】
下面句子中主句的谓语是什么? 3What seems to be almost sure is the solutions to space travel and living in space will be found when the possibility of profit from development of technologies in and for space is seen as immediately at hand.A.
to be
B.
is
C.
will be found
D.
is seen
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【简答题】硅酸盐类样品在进行热分析时，不能选用( )材质的样品坩埚。
【单选题】Then, take it out of boiling water and _______________(投入) it into ice water.
A.
plunge
B.
plug
C.
place
D.
plague
【简答题】硅酸盐类样品在进行热分析时 , 不能选用 。
【简答题】磁性开关主要与内部活塞(或活塞杆)上安装有磁环的各种 配合使用,用于检测该类执行元件的 个极限位置。
【简答题】Write an essay of about 150 words on any of the topics. Professor John Cicardi's idea of college education What I expect to get out of college My idea of a good college You can type in your writing or...
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