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问题 单项选择题 A1/A2型题

关于T波的描述，错误的是（）

A.正常T波的方向应与QRS波群主波方向一致

B.正常人的T波方向在Ⅲ、aVL、aVF、V～V3导联多变

C.正常T波方向在Ⅰ、Ⅱ、V4～V6导联应向上，在aVR导联应向下

D.若V1导联T波向上，则V2～V6导联T波不应再向下

E.T波的振幅不应超过同导联R波的1／4

答案

参考答案：E

完形填空

阅读下面的短文，按要求完成所给任务。每空一词。（共5小题，计10分）

James shook his money box.Nothing!He carefully counted the coins that lay on the bed.All that he had was $24.52.The bicycle he wanted was at least $90!How on earth(究竟）was he going to get the rest of the money?

He knew that his friends all had bicycles.It was hard to hang out with ①them when he was the only one without a bicycle. He knew his parents had no extra money.He would have to find a part-time job.He decided to ask Mr Clay②       advice.

“Well,you can start right here,”said Mr Clay. “You see,③my windows need cleaning and my car needs washing.”

That was the beginning of James’part-time job.For the next three months he worked every day after finishing his homework.He took dogs for walks,④打扫干净cupboards and repaired books.

The day finally came when James counted his money and found $94.32.He wasted no time and went down to the shop to buy the bicycle he wanted.He⑤__________(ride) home proudly,looking forward to showing his new bicycle to his friends.

小题1:写出①处所指代的内容。

______________________

小题2:根据句意写出②处所缺的单词。

______________________

小题3:完成③处划线部分的同义句。

My windows__________  ____________  ____________  ____________

小题4:将④处划线部分翻译成英文。

______________  _______________

小题5:用⑤处所给单词的正确形式填空。

_______________________
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单项选择题

漂白治疗常用的药物为（）

A.10％～15％过氧化脲

B.10％～15％过氧化氢

C.20％～30％过氧化脲

D.30％过氧化氢

E.以上均可
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