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【简答题】
珠光体是 和 混合在一起形成的机械混合物。
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举一反三
【简答题】I ________ on a sofa because my grandparents have been here for the weekend. [ ] A . slept B. was sleeping C. have slept D. am sleeping
【单选题】My grandparents have _____ the great changes in China _____. [ ]
A.
saw, him
B.
seen, them
C.
seen, themselves
【单选题】My grandparents have never needed or asked for help. But they did make one___ the other day. They asked if I could help them clean their basement.
A.
flaw
B.
injury
C.
request
【简答题】My grandparents have been buying the same brand of cereal for 40 years; they are very loyal to it.
【简答题】Traduisez la phrase suivante en français avec le lexique de Leçon 2 : 随着经济的不断发展,商店里充满了各种各样的商品。
【简答题】Read and choose. 阅读短文，选择正确答案。 My grandparents have a big farm in the forest. There are fif cows, eight pigs, one dog and a fat cat. The dog can swim, but it can't fly. The cat is very funny and sm...
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