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【单选题】
900 English words by the time I am ten.A.
have learned
B.
is learning
C.
are learnt
D.
will have been learned
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反馈参考答案：
举一反三
【简答题】竖式计算 321×24 54t×6t 3t8×25 82t×15．
【单选题】下列对几种植物形态、结构等特征的叙述, 错误 的是 A . 石花菜没有根、茎、叶的分化 B . 海带、葫芦藓和满江红都是孢子植物 C . 肾蕨有真正的根、茎、叶的分化 D . 银杏种子外面包有肉质的果皮
A.
B.
C.
D.
D
【单选题】听力原文：These results don't say much for the quality of the teaching. What does the speaker mean?
A.
These results prove that the quality of the teaching is not very good.
B.
These results are not convincing to prove anything.
C.
These results are not reliable to prove anything.
D.
These results are not obtained in a scientific way.
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