急性肾小球肾炎多发生于下列哪种细菌所致的上呼吸道感染之后（）

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问题单项选择题

A.肺炎链球菌

B.金黄色葡萄球菌

C.β溶血性链球菌

D.大肠杆菌

E.流感嗜血杆菌

答案

参考答案：C

句型转换

请根据要求改写下列句子，每空一词。

小题1:The doctor asked the old man to stop smoking. (改为一般疑问句)

________ the doctor ________ the old man to stop smoking?

小题2:The girl is clever. She can work out difficult problems. (合并为一句)

It is clever _________ the girl _________work out difficult problems.

小题3: I prefer doing everything for myself to asking my mother for help. (保持句义基本不变)

I would _________ do everything for myself _________ ask my mother for help.

小题4:Those local businesses supported the charity show. (改为被动语态)

The charity show __________ _________ by those local businesses.

小题5:Martin was so excited at the news that he couldn’t fall asleep. (改为简单句)

Martin was _________ excited at the news _________fall asleep.

单项选择题

在植物体表施药，直接与病原接触，能（）或抑制病原，保护植物不受侵害，这种杀菌剂叫保护性杀菌剂。

A、减少

B、杀死

C、减轻

D、赶走