下列哪一项不是胚的组成部分[ ] A．子叶 B．胚芽 C．胚根 D．胚乳_爱下问搜题

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问题选择题

下列哪一项不是胚的组成部分[ ]

A．子叶

B．胚芽

C．胚根

D．胚乳

答案

答案：D

阅读理解

根据表格内容完成句子。

	Monday	Wednesday	Saturday
Morning	Have classes	Have classes	Watch table tennis
Afternoon	Watch football matches	Have a piano lesson	Play football
Evening	Do homework	Go to the cinema	Do homework

1. Mary has classes on Monday and______ mornings.
2. She watches ______ on Monday afternoon.
3. She has a piano lesson on Wednesday ______.
4. On Wednesday evening she ______.
5. She ______ on Saturday evening.

问答题简答题

判定自然人纳税居民身份的标准是什么？