下列属于HXD3B型电力机车高压连锁钥匙的是()。A、蓝钥匙 B、绿钥匙 C、黄钥匙

题型:多项选择题

问题:

下列属于HXD3B型电力机车高压连锁钥匙的是()。

A、蓝钥匙

B、绿钥匙

C、黄钥匙

D、红钥匙

考点:技术科工艺组管理岗位技术科工艺组管理岗位题库
题型:多项选择题

用系统命名法命名下列各有机物:

(1) ①(CH33CCH2CH(CH2CH3)CH(CH32

②CH2=C(C2H5)CH(CH3)CH(CH3)CH2CH3

③CH ≡C—CH(CH32   

④CH3CH(Br)CH3

(2)下列有机物的命名均有错误,请用系统命名法正确命名

①2—甲基—2—乙基丙烷       正确命名:

②2—甲基—4—戊烯           正确命名:

题型:多项选择题

小题1:Wow, those players are playing badminton so well! Can you guess who

is        (可能) to win the match?

小题2:What he said was already           (记录) by the police.

小题3:I look forward to _______(划) a boat with my family on a sunny day.

小题4:Once Harvard University________ (提供) me a valuable chance to study

further ,but I didn’t take it.

小题5:We should be grateful to the person who _______ (发明)the light bulb.

小题6: I was happy, there is ________(简直) no other word for it.

小题7:A unclear(核) war is surely ________(残酷) than any other kind of war in the human history.

小题8:I am so sorry that all the rooms have been taken and there is no room

_______ tonight because all the rest rooms have been ordered.

小题9:People under 18 aren’t allowed to get into _________ because they are not allowed to drink wine according to the law.

小题10: Businessmen usually _______ hands when they meet.

题型:多项选择题

有两个电感线圈,甲的匝数较多,而且有铁芯,乙没有铁芯,而且匝数较少.下面的说法中正确的是

A.在电路中用作高频扼流圈的是甲,用作低频扼流圈的是乙

B.在电路中用作高频扼流圈的是乙,用作低频扼流圈的是甲

C.甲和乙都只能用作高频扼流圈

D.甲和乙都只能用作低频扼流圈 

题型:多项选择题

在每季度结束后的()个工作日内,国债登记结算公司应向中国人民银行提交该季度公司债券托管结算情况的书面报告。

A.3 

B.4 

C.10 

D.12

题型:多项选择题

“键18╳80GB/T1096—2003”标记中,可以知道该键的有效工作长度是()

A.18mm

B.62mm

C.72mm

D.80mm

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