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【判断题】
叶片的质地常见的有草质、膜质、肉质、革质等几种类型。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】轴测图可分为 和 两种。
【简答题】属于我国原产和特产,有“菜中之王”美誉的叶类蔬菜是( )。
【简答题】小麦条锈病的发生和流行主要取决于( )、( )以及( )。
【简答题】The author’s purpose in writing this passage is ________. A) to describe the difficulties in solving humanity’s current problems B) to present the different views on humanity’s current problems C) to ...
【单选题】We went through a period communications were very difficu1t in the rura1 areas. （ ）
A.
which
B.
whose
C.
in which
D.
with which
【单选题】As well as being intangible, what is the problem with emotions ?
A.
They are difficult.
B.
They are compounded.
C.
They are difficult to qualify.
D.
They do not operate in isolation.
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