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问题 单项选择题

下列具有密排六方晶格的金属是（）。 Ⅰ．α-Fe；Ⅱ．γ-Fe；Ⅲ．W；Ⅳ．Al；Ⅴ．Cu；Ⅵ．Mg。

A．Ⅲ+Ⅴ+Ⅵ

B．Ⅱ+Ⅳ＋Ⅴ+Ⅵ

C．Ⅵ

D．Ⅱ+Ⅲ+Ⅴ

答案

参考答案：C

填空题

单词拼写。

根据首字母及汉意完成下列单词

1. She speaks f________ though not correct French.

2. We live in the house ________( 遗弃) by my grandparents many years ago.

3. He made a mistake in public and there was an e________ expression on his face.

4. She has been ________ (失业的) for six months now.

5. The train will slow down when it a_______ the station.

6. At the end of each class, the teacher will make a s________ of what is learned.

7. Danny, stop _____ (打扰) me while I'm trying to work.

8. A recent ________(调查) found/showed that 58% of people did not know where their heart is.

9. We haven't got water for days. Our water ________(供应,供给)has been cut off.

10. These new school rules are a__________ at students who take mobile phone to class.

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单项选择题 A3/A4型题

患儿1岁半，半天来打喷嚏、发热，1小时前突然抽搐持续2分钟。去医院途中抽搐停止，神志清。查体：发育正常，体温38.5℃，前囟已闭，咽充血，心、肺无异常，颈无抵抗。

此患儿抗惊厥首选的药物是（）

A.苯巴比妥钠

B.苯妥英钠

C.地西泮

D.水合氯醛

E.复方氯丙嗪
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