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问题 多项选择题

连续使用的氧气湿化瓶、雾化器、呼吸机的管道、早产儿暖箱的湿化器等器材

A．必须每日消毒

B．用毕终末消毒

C．干燥保存

D．湿化液应用灭菌水

E．湿化液必须天天更换

答案

参考答案：A,B,C,D,E

听力题

根据下列句子及所给单词的首字母，在答题卷上按题号写出各单词的完全形式（每空限填一词）。

小题1:My brother finds watching English-language videos f________  because the people speak too quickly and he can’t follow it.

小题2:The students are all busy getting ready for the f________ exam.

小题3:Michael Jackson died at the age of 50 and his d________ made us shocked and sad.

小题4:I would like to r________ to your e-mail, but I don’t have time.

小题5:He u________  to cause lots of problems for himself and his family, but now he has changed.

小题6:The dictionary b________ to my sister. Look! Here’s her name on it.

小题7:--- Who t________ you math last term?

--- Mr. Zhao.

小题8:People like to talk to Linda because she is a good l________.

小题9:I d________ the letter into the mail-box in front of our school just now.

小题10:I think there are m________ of stars in the sky.
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单项选择题

下列对关系的叙述中，( )是不正确的

A．关系中的每个属性是不可分解的

B．在关系中元组的顺序是无关紧要的

C．任意的一个二维表都是一个关系

D．每一个关系只有一种记录类型
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