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【单选题】
角膜表面麻醉常用因的浓度是(2018 真题36)A.
0.1%
B.
0.5%
C.
2.0%
D.
3.0%
E.
4.0%
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反馈参考答案：
举一反三
【单选题】Direction: You are required to complete the following sentence by deciding on the most appropriate word or words from the 4 choices marked A, B, C, and D. Water power stations are built big waterfalls...
A.
which are
B.
which has
C.
where there have
D.
where there are
【多选题】网店客服是利用网络为客户提供解答、售后和物流等服务,这就要求网店客服需要了解相应的物流知识,物流按运作方式大致分为邮寄、快递和货运。其中快递运输方式分为哪几种?( )
A.
水上运输快递包裹
B.
汽车运输快递包裹
C.
铁路运输快递包裹
D.
航空快递包裹
【单选题】Water power stations are built ______ there are big water falls.
A.
in which
B.
that
C.
in that
D.
where
【单选题】Water power stations are built _____ big waterfalls and where the water runs fast.
A.
which are
B.
which has
C.
where there have
D.
where there are
【单选题】Water power stations are built _____ big waterfalls and where the eater runs fast.
A.
which are
B.
which has
C.
where there have
D.
where there are
【单选题】Power stations employ _____ water to produce electricity.
A.
falling
B.
fallen
C.
filling
D.
filled
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