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【单选题】
润滑剂对相互磨擦的运动机件具有润滑、清洁、密封、() 等作用
A.
增强动力
B.
提高动力
C.
冷却
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参考答案:
举一反三
【单选题】Anyone ? works in the retail business needs to be good at calculating and communicating
A.
which
B.
who
C.
whom
D.
what
【简答题】The retail business in Asia has as rapidly since the 1990s.
【单选题】1 2 3 4 7 6 ( )A . 11 B . 8 C . 5 D . 4
A.
34 . 1 2 3 4 7 6 ( ) A . 11
B.
. 8
C.
. 5
D.
. 4
【单选题】Anyone works in the retail business needs to be good at calculating and communicating.
A.
which
B.
whom
C.
who
D.
what
【单选题】ULTRA DMA/66和ATA 100硬盘必须使用专用的信号排线,它是多少芯的扁平电缆:
A.
100
B.
66
C.
80
D.
40
【单选题】ULTRA DMA/66和ATA100硬盘必须使用专用的信号排线,它是( )芯的扁平电缆,用来提高速度和抗干扰能力。
A.
100
B.
66
C.
80
D.
40
【单选题】ULTRA DMA/66和ATA100硬盘必须使用专用的信号排线,它是( )芯的扁平电缆,用于提高速度和抗干扰能力。
A.
100
B.
66
C.
80
D.
40
【单选题】Anyone ( ) works in the retail business needs to be good at calculating and communicating.
A.
which
B.
who
C.
whom
【单选题】Anyone works in the retail business needs to be good at calculations and communicating.
A.
which
B.
whom
C.
who
D.
what
【简答题】计算题: (1)(﹣3)+(﹣4)﹣(+11)﹣(﹣9) (2)23÷[(﹣3) 3 ﹣(﹣4)] (3) (4) (5) (6) (7) (8) .
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