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【单选题】
在对锅炉、压力容器维修的过程中,应使用()伏的安全照明灯。
A.
36
B.
24
C.
12
D.
110
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参考答案:
举一反三
【单选题】If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?
A.
Pump only if the discharge is led to a shore tank or barge
B.
Pump only during the hours of darkness
C.
Pump only on the outgoing tide
D.
Pump only as much as is necessary
【单选题】“愿天下有情人终成眷属”是出自元杂剧( )
A.
《救风尘》
B.
《汉宫秋》
C.
《倩女离魂》
D.
《西厢记》
【单选题】“愿天下有情人终成眷属”,出自( )。
A.
《牡丹亭》
B.
《琵琶记》
C.
《西厢记》
D.
《桃花扇》
【简答题】Express these system specifications using the propositions p “The message is scanned for viruses” and q “The message was sent from an unknown system” together with logical connectives (including negat...
【单选题】“愿天下有情人终成眷属”出自于哪部戏?
A.
关汉卿《窦娥冤》
B.
王实甫《西厢记》
C.
汤显祖《牡丹亭》
D.
孔尚任《桃花扇》
【单选题】处在同一发展阶段的不同地区,甚至同一地区的不同城市,城市的分布和发展的状况也有差异,()在这种差异的塑造中起了很大的作用。
A.
经济条件
B.
地理条件
C.
生态条件
D.
政治条件
【单选题】Which of the following statements about research and development expenditure are correct? 1 Research expenditure, other than capital expenditure on research facilities, should be recognised as an expe...
A.
1, 2 and 3
B.
1 and 2 only
C.
1 and 3 only
D.
2 and 3 only
【单选题】P78 用must 或 have to来替代划线的部分。 4. It is necessary for me to have some help.
A.
I must have some help.
B.
I have to have some help.
C.
A,B都对
【单选题】—They are discussing what to do for the disabled. — _______ is necessary to provide them with more positions. [     ]
A.
That
B.
This
C.
It
D.
There
【单选题】It is necessary for us to________these interesting old customs. [     ]
A.
prevent
B.
present
C.
prepare
D.
preserve
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