单项选择题

We cannot always count on the wind, so new windmills should be so designed that they can also be driven by water.

A．hang on
B．depend on
C．hold on
D．come on
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单项选择题
We can divide reading skills into two: the eyes track across the page, and the mind takes in what the eyes see.
A．holds
B．receives
C．follows
D．absorbs
单项选择题
If we terminate our relations with that country, we'll have to find another supplier of raw materials.
A．diffuse
B．diminish
C．end
D．preclude
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