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【单选题】
牌号为R317的焊条是()焊条。
A.
低温钢
B.
珠光体耐热钢
C.
奥氏体不锈钢
D.
奥氏体耐热钢
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参考答案:
举一反三
【单选题】In Britain, when there is no fog, the use of fog lights is an offence, for --- you may receive a £ 30 fine.
A.
what
B.
which
C.
those
D.
that
【判断题】红外成像光学系统在各种红外光传输情况下均满足物像共轭关系。
A.
正确
B.
错误
【单选题】In Britain, when there is no fog, the use of fog lights is an offence, for _____ you may receive a $ 30 fine. (2014-06真题)
A.
what
B.
which
C.
those
D.
that
【判断题】红外成像光学系统在各种红外光传输情况下均满足物像共轭关系。
A.
正确
B.
错误
【多选题】8251芯片中设立的出错标志有( )
A.
奇/偶错
B.
帧格式错
C.
进位出错
D.
溢出错
【单选题】The republication of the poet‘s most recent works will certainly heighten his national reputation.
A.
magnify
B.
strengthen
C.
enlarge
D.
enhance
【判断题】红外成像光学系统在各种红外光传输情况下均满足物像共轭关系。(  )
A.
正确
B.
错误
【单选题】Full details of all lights and fog signals are shown on .
A.
large scale chart
B.
small scale chart
C.
ocean chart
D.
routing chart
【单选题】What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to ().
A.
Mention signal stations and ice,storm,traffic and port signals
B.
Give the international numbers of lights
C.
Give the correction of the lights and fog signals
D.
Give the information on the lights and fog signals
【判断题】Decide whether the use of colons in the following sentences is correct or not. My new car came equipped with: a DVD player, airbags, and fog lights.
A.
正确
B.
错误
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