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单项选择题

（ ）She can speak Japanese better than________else.

A.theone
B.noone
C.anyone
D.another
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单项选择题
工件以圆柱孔在心轴上定位时，由于定位副的制造误差存在，故当心轴水平放置时，工件与定位元件为（）接触。
A . 双边B . 单边C . 任意边D . 上下
单项选择题
化妆品的消费税税率为()。
A.10%
B.20%
C.30%
D.40%
单项选择题
The water we drink and use is running short in the world.We all have to learn how to stop wasting our limited water.One of the steps we should take is to find ways of reusing it.Experiments have already been done in this field.
Today in most large cities,fresh water is used only once,then it runs into waste system.But it is possible to pipe the used water to a purifying factory.There it can be filtered and treated with chemicals so that it can be used again,just as it were fresh from a spring.
But even if every large city purified and reused its water,we still would not have enough.Then we could turn to the oceans.All we’d have to do to make use of the seawater on earth is to get rid of the salt.This process is called desalinization,and it is already in use in many parts of the world.
The way to stop wasting our limited water is to________.
A.doexperimentswithwater
B.purifytheusedwaterandreuseit
C.usefreshwateronceagain
D.makeuseofseawater
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