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【简答题】
何谓电涡流效应?怎样用涡流效应进行位移测量?
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举一反三
【简答题】Seat occupation has become a common phenomenon in your university. The library management has taken some measures to stop it, but in vain. Please write to the university authorities, stating the pheno...
【单选题】丙烷可与下列哪种物质起反应
A.
KMnO 4
B.
HCl
C.
Cl 2
D.
NaOH
【单选题】According to the author, the second advantage of Green EFL is that ______.
A.
students will not be confined to learn a particular culture value
B.
students may develop sensitivity toward their surroundings
C.
students can learn values through Green EFL
D.
students shall have a better understanding of the global issue
【简答题】(2009.12)The proposal about the annual sales (discuss) ________ at the next board meeting.
【多选题】正丙烷与等摩尔的溴单质在光照下发生自由基取代反应时,可能会出现下列的哪种情况
A.
会得到至少2种产物,分别为2-溴丙烷和1-溴丙烷
B.
至少会得到两种产物,其中:2-溴丙烷的产率高于1-溴丙烷
C.
会得到产率相近的两种产物
D.
只得到一种产物
【单选题】According to a study carried out by an American university, when you eat has ______ on your mood as ______ you eat.
A.
much of as an effect; what
B.
much of as an effect; which
C.
as much of an effect; what
D.
as much of an effect; which
【单选题】丙烷可与下列哪种物质起反应
A.
KMno4
B.
. HCI
C.
Cl2
D.
NAOH prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【简答题】The film turned out to be (successful ) _____than we had expected.(2009.12)
【简答题】The Student Union at your university has decided to organize a contest, calling for ideas to improve the outlook of the campus. Write an announcement to invite students to participate, giving informat...
【判断题】绝缘电阻表测量时,摇动手柄转速 刚达到 120 r/min 即可
A.
正确
B.
错误
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