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【简答题】
请根据句意,用括号内所给词的适当形式填空。 1.My mother takes me to Da Tonghua Suppermarket_____(two)a month. 2.I have an e-friend____(call) David. 3.I broke your bike, I'm _____(real)sorry for it. 4.My favourite _____(play) are Yao Ming and Liu Xiang. 5.Who teaches_____(they)Maths this term?
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举一反三
【单选题】Sentences: Direction: Choose the choice that best expresses the highlighted sentence. ( 4x5=20 points, 20% ) Charles Darwin published The Origin of Species. He wrote that life forms change in response...
A.
According to Darwin, particular environments cause life forms to change.
B.
Darwin wrote that life forms change the environments around them.
C.
According to Darwin, change is the essence of life forms.
D.
Darwin wrote that life forms change spontaneously.
【简答题】什么叫整周跳变?怎么修复?
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