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【单选题】
下列哪项不是制动效能不良的故障原因：A.
制动液吸水度过大
B.
制动管路系统漏油
C.
制动分泵缸筒磨损
D.
轮毂轴承预紧度过大
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举一反三
【判断题】Typical applications of transaction services for citizens include applying for social benefits, registering automobiles, filing changes of address or applying for building permits.
A.
正确
B.
错误
【单选题】某产品经过三道工序连续加工制成 ,三道工序的工时定额分别为5小时、3小时和2小时,假设各工序内在产品完工程度平均为50%,则该种产品在第二道工序在产品的完工率为()
A.
80%
B.
65%
C.
40%
D.
90%
【单选题】Arctic explorers may catch colds when ______.
A.
they are working in the isolated arctic regions
B.
they are writing reports in terribly cold weather
C.
they. are free from work in the isolated arctic regions
D.
they are coming into touch again with the outside world
【单选题】She predicts that businesses will increasingly need to respond to
A.
differences across regions.
B.
the influence of technology.
C.
changes in consumer values.
【单选题】It can be inferred from the passage that, if Fabian is correct, gas in the peripheral regions of a galaxy cluster
A.
streams outward into intergalactic space.
B.
is hotter than gas in the central regions of the galaxy.
C.
is composed primarily of gas left over from the big bang.
D.
results in the creation of unusually large stars.
E.
expands to increase the size of the galaxy.
【单选题】某产品经过三道工序连续加工制成,三道工序的工时定额分别为 5小时、3小时和2小时,则该种产品在第二道工序在产品的完工率为( )。
A.
80%
B.
40%
C.
65%
D.
90%
【单选题】某产品经过三道工序连续加工制成,三道工序的工时定额分别为5小时、3小时和2小时,则该种产品在第二道工序在产品的完工率为( )
A.
65%
B.
40%
C.
90%
D.
80%
【单选题】某产品经过三道工序连续加工制成,三道工序的工时定额分别为 5小时、3小时和2小时,则该种产品在第二道工序在产品的完工率为( )。
A.
65%
B.
80%
C.
40%
D.
90%
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