下列哪项不是肝气犯胃型呕吐的主症 A．呕吐吞酸 B．嗳气频繁 C．胸胁满痛 D．舌边

根据首字母提示补全单词。

1. I am making a r______ for my classroom.

2. Mary Green has written many p______ books on gardening.

3. Sometimes I am glad to be a______.

4. Some people enjoyfishing as a h______.

5. The i______ are on the box.

6. We need to take part in a ______ with friends.

7. This year , I joined a rocket club in my city. It has about forty m______.

8. We also give p______ for the best-built rocket..

9. The teacher tells them that they might o______ a stamp collecting club.

10. Who is the most interesting p______ in your family.

清代历史上第一个宪法性文件是（）

A．《钦定宪法大纲》

B．《十九信条》

C．《资政院院章》

D．《中国民国临时约法》

与资产资本定价模型相比，建立套利定价理论的假设条件较多。( )

功率方向继电器是方向过流保护中的主要元件，必须正确地判断短路功率的方向。当短路功率由母线流向线路时，继电器不应该动作；而当短路功率由线路流向母线时，继电器应可靠动作

鼠属脊椎动物，（），鼠科。

A.吃草纲

B.食肉纲

C.食草纲

D.哺乳纲