单项选择题
It is commonly believed that the more complicated animals developed from the simpler ones.
A.人们认为,复杂的动物是由简单的动物发展而来的。
B.人们普遍认为,较高级的动物是由比较低级的动物进化而来的。
C.人们一般认为,动物都是从简单到复杂转变而来的。
D.它被相信,动物的变化都是从麻烦到简单。
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单项选择题
It is well-knOWD that the more the old people use their brains the more mentally active they will be.
A.这件事传开了,老人越多用脑,智力就越灵活。
B.大家知道了,老人更多用脑,主动性更强。
C.众所周知,老人用脑越多,智力就越活跃。
D.众所周知,老人用脑越多,智力会更活跃。
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单项选择题
No sooner had he got off the train than his coat was taken off.
A.他下火车不久,就脱下了大衣。
B.他下火车不久,大衣就被偷走了。
C.他刚一下火车,就脱下了大衣。
D.他刚一下火车,大衣就被偷走了。
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