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【单选题】
综合指数法的特点不包括
A.
有代表性误差
B.
借助于同度量因素进行综合对比
C.
同度量因素的时期要固定
D.
用综合指数法编制总指数,使用的是全面资料
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参考答案:
举一反三
【单选题】We have lots of food ________ dinner. [     ]
A.
in
B.
at
C.
for
D.
on
【单选题】People like _________ healthy food. [     ]
A.
many
B.
lots of
C.
a
【单选题】When I was only a child,my mother said that the earth ________ bigger than the moon. [     ]
A.
was
B.
were
C.
had been
D.
is
【单选题】There _________ lots of healthy food on the table. [     ]
A.
have
B.
has
C.
are
D.
is
【多选题】叉车作业时下列操作方法是正确的( )
A.
在进行物品的装卸过程中,必须用制动器稳定叉车
B.
叉车不准用制动惯性溜放物品
C.
不准在码头岸边直接叉装船上货物
D.
卸完货后,不必将货叉放到最低点也可回驶装货
【单选题】The judge said that nothing could _______ the cruelty with which the mother had treated her child.
A.
commute
B.
deplete
C.
mitigate
D.
influx
【判断题】悦动轿车开远光灯时,只有远光灯点亮;开近光灯时,远近光灯同时点亮。
A.
正确
B.
错误
【单选题】以酚酞作指示剂,用NaOH标准滴定溶液滴定磷酸样品至指示剂变色,则此时H3PO4的基本单元为()。
A.
H3PO4
B.
2/3H3PO4
C.
1/3H3PO4
D.
1/5H3PO4
【判断题】OUT和RST 指令,都可控制线圈的输出,它们的输出的结果一样。
A.
正确
B.
错误
【单选题】Mr White eats _______ healthy food every day. [     ]
A.
lots of
B.
a lot
C.
a lots of
D.
many
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