单项选择 适中0.65 引用2 组卷173
People should avoid burning wheat stubble(秸秆), for it can lots of smoke and causes serious air pollution.
A.protect | B.prevent | C.provide | D.produce |
17-18八年级下·江苏泰州·期末
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China will build systems to ________ the planet from the dangers of near-Earth asteroids(行星).
A.prevent | B.prove | C.protect |
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