若抛物线的准线方程为x=-7，则抛物线的标准方程为（ ） A．x2=-28y B．x

（4分）下图是硫燃烧的实验装置。

(1)硫在空气中燃烧不如在氧气中燃烧剧烈的原因是        

氢氧化钠溶液所起的作用是（用化学方程式表示）。__   _  

(2)观察到实验现象后，为尽量减少二氧化硫逸散到空气中，

要使燃烧的硫立即熄灭。采用的措施是把燃烧匙立即伸入

氢氧化钠溶液中使火焰熄灭，依据的灭火原理____         __

句型转换

小题1:She does well in math. (改为同义句 )

She is ________   ________ math.

小题2:Lucy is as old as Lily. (改为同义句 )

Lucy is ________   __________  age as Lily.

小题3:He said , “I like English very much.” (改为间接引语 )

He said that _______  ________ English very much .

小题4:They went shopping after they finished their homework. (改为同义句 )

They ________ go shopping ___________ they finished their homework.

小题5:They are doing morning exercises now. (用this time yesterday改写句子)

They                     morning exercises this time yesterday.

小题6:I will live in Shanghai in ten years.(就划线部分提问)

___________   ___________ you live in ten years?

作品的构成条件包括（）、范围有限性、可感知性和（）。

患者，女，30岁，已婚。孕后因持重而继发腰酸腹痛，胎动下坠，精神倦怠，脉滑无力。治疗应首选（）

A.举元煎

B.胎元饮

C.固下益气汤

D.加味圣愈汤

E.加味阿胶汤

参加集会应该遵守哪些会议纪律？