—People can not only use salt for meals. —Yes. They also use it to _______ fire.

题型：期末题难度：来源：

—People can not only use salt for meals.
—Yes. They also use it to _______ fire. [ ]
A. put on
B. put off
C. put out
D. put down

答案

举一反三

The trees can prevent the rain _______ the ground directly. [ ]
A. from hitting
B. to hit
C. hit
D. hiting

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Now more and more man-made satellites are _______ by humans. [ ]
A. sent for
B. send up
C. sent up
D. sent into

题型：同步题难度：| 查看答案

—Will you go for a picnic with your parents this weekend?
—It just ______ the weather. [ ]
A. because of
B. decides by
C. depends on
D. thanks to

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The report shows we have dreamed _______ exploring space for thousands of years. [ ]
A. in
B. on
C. of
D. to

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If you want to read it, please click _______ the sign, a box will appear on the screen. [ ]
A. on
B. at
C. in
D. with

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