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发布时间:2024-01-15 20:55:06

[单选题]A long time ago, l _______ in London for three years.
A. had lived
B.have lived
C.lived
D.have been living

更多"[单选题]A long time ago, l _______ in "的相关试题:

[简答题] I got married ten years ago.
[填空题]Passage 9

Two hundred years ago people in the west did not know coffee or tea. They were 21to drink them because they thought coffee or tea could kill a person. Once the king of England decided to find out 22 it was true or not.

  At that time there were two brothers in prison. They would be killed in a few days because they did wrong. The king said “ I shall let them live but they must drink coffee or tea to end of their 23. One brother must drink coffee and 24 must drink tea every day. ” And they followed the king's words.

 They both lived many years. At last the elder brother 25 when he was eighty-three years old. The younger one died a few years later. After that people believe that coffee and tea were not bad to man.

A. died    B. the other   C. if    D. afraid   E. lives


[判断题]丈量了L1和L2两段距离,且L1>L2,但它们的中误差相等,所以L1和L2两段的观测精度是相同的。【该题涉及6.2内容】
A.正确
B.错误
[判断题]33梳41梳装L3L4的花针一般先装L3再装L4
A.正确
B.错误
[判断题]两个L1、L2互感线圈,其互感系数为M,当其顺串使用时其等效电感为L=L1+L2+2M,反串时等效电感为L1+L2-2M。( )
A.正确
B.错误
[判断题]交叉敏感性检测时,油样中CO 大于1000μL/L、CO2含量大于10000μL/L, H2含量小于50μL/L。合格判据为:CH4测量结果应满足Q/GDW 10536规范要求:( )
A.正确
B.错误
[单选题]电感L1与L2串联,其等效电感L等于(  )。
A.L1+L2
B.L1*L2
C.(L1+L2)/L1*L2
D.L1*L2/(L1+L2)

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