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【单选题】
按水平法计算的平均发展速度是
A.
环比发展速度的算术平均数
B.
发展速度的几何平均数
C.
平均增减速度加上100%
D.
环比发展速度的几何平均数
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举一反三
【单选题】I asked you ________ my dictionary—now I can’t find it.
A.
not to move
B.
to not move
C.
not moving
D.
did not move
【单选题】熔渣材料从上面排出
A.
功率太低或 进给速率过大
B.
功率太高或 进给速率过大
C.
功率太高或 进给速率过小
D.
功率太低或 进给速率过小
【多选题】交流接触器铁芯上短路环的作用是
A.
减小衔铁吸合噪音
B.
减小衔铁吸合振动
C.
短路保护
D.
避免衔铁发热
【单选题】She loves ______money and _______food ______others.
A.
save; share; with
B.
save; share; to
C.
saving ; sharing ; with
D.
saving; sharing; to
【单选题】She made as many men as she could _____ her pain. [     ]
A.
shared
B.
share
C.
to share
D.
sharing
【单选题】I ________ you not to move my dictionary—now I can’t find it.
A.
asked
B.
ask
C.
was asking
D.
had asked
【单选题】You can’t move in. The house _____.
A.
is painting
B.
is being painted
C.
has painted
D.
has been painted
【简答题】纯液体和溶液各自采用什么方法以使自身体系稳定?
【多选题】交流接触器铁芯上短路环的作用是
A.
A减小衔铁吸合噪音
B.
B减小衔铁吸合振动
C.
C短路保护
D.
D避免衔铁发热
【单选题】—I can't move the bookcase. Could you give me a hand? —________. [     ]
A.
With pleasure
B.
It's my pleasure
C.
Not at all
D.
Never mind
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