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【单选题】
钢筋气压焊的焊接设备包括供气装置、加热器、加压器、焊接夹具以及( )。
A.
焊接电缆
B.
燃烧装置
C.
辅助设备
D.
传动装置
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【单选题】The 0SPFv3 process will send hello packets to which of the follov/ing well-known addresses?()
A.
255.255.255.255
B.
224.0.0.6
C.
FFFF://FFFF://FFFF://FFFF://FFFF://FFFF://FFF://FFF
D.
FF02::10
E.
224.0.0.10
F.
FF02::5
【单选题】对于水中较大颗粒物质的去除,经常用到截留技术,下列不属于截留技术中使用的工具的是[ ]。
A.
格栅
B.
生物滤池
C.
筛网
D.
微滤机
【单选题】指出下列函数哪些是指数函数: (1) y = 4 × 3 x ; (2) y = p x ; (3) y = 0.3 x ; (4) y = x 3 .
A.
(1)(2)(3)
B.
(1)(2)(4)
C.
(2)(3)(4)
D.
(1)(3)(4)
【简答题】06×O.03的积有四位小数.______(判断对错)
【单选题】We consider()send a helicopter with medical facilities to the distress area.
A.
it necessary
B.
it is necessary
C.
it necessary to
D.
necessary
【单选题】冶疗支原体肺炎的首选抗生素是
A.
青霉素
B.
红霉素
C.
氯霉素
D.
头孢类抗生素
E.
氨基糖苷类抗生素
【简答题】It was very______(consider) of you to send me a postcard.
【单选题】It took building supplies to contruct these energy—house . It took brains , too .
A.
other than
B.
more than
C.
rather than
D.
less than
【单选题】It took ability to get the job. It took luck, too.
A.
rather than
B.
other than
C.
more than
D.
less than
【多选题】指出下列函数中,哪些是指数函数。(多选题)
A.
B.
C.
D.
E.
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