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【单选题】
酵母菌的细胞壁中主要含有A.
甘露聚糖
B.
葡聚糖
C.
甘露聚糖和葡聚糖
D.
几丁质
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皮皮学刷刷变学霸
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【简答题】阅读下面短文，从方框中找出每段的中心句，与每一段落匹配起来。 Maybe you think of yourself as a good friend, but are you really? If you’re not sure, it’s time to think about what makes a true friend. 小题1:A good friend is busy but st...
【简答题】用方框里的单词填空 Its black too are from school likes old their teacher Jim and John are good friends. They are 小题1: the U.S.A. But now they 小题2: in China. They are in the same 小题3: . They like the...
【单选题】The best title for this passage is______.
A.
Such a Clever Friend
B.
Mr Richards and His Friend
C.
Money Is Important
D.
Such Good Usage of Money
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