人体胶体渗透压约为（） A.12mmHg B.25mmHg C.10mmHg D.3

根据首字母或汉语提示完成单词拼写。

1. We shouldn't laugh at the disabled people such as the deaf and the b______.

2. I like Paul--he has a really good s______ of humour.

3. She says she doesn't really like the t______ of meat any more.

4. I happened to meet the club's new ______ (主人).

5. We had fish for the main ______(一道菜).

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:Could you give me a h________? I can’t stand up.

小题2:James, there is only one minute l________, so we need to hurry up.

小题3:Are you good at spoken English or w_______ English?

小题4:One c___________ is equal to one hundred years.

小题5:I w___________ go to his party unless I am invited.

小题6:John came to China last year. He has b______ to learn speaking Chinese.

小题7:Aunt Lucy used to be a f__________. She went fishing almost every day.

小题8:Tomorrow is D__________ forty-fifth birthday. He looks older than Mum.

小题9:Remember that it is not a _________ to use mobile phone in class.

小题10:The teacher asked the boy many questions, but he only a_________ some of them.

下列在改革开放时期形成的民族精神有

①延安精神 ②“两弹一星”精神 ③载人航天精神 ④抗震救灾精神

A．①②④

B．③④

C．②③④

D．①②③

淀粉酶

矿井防尘措施可分为：（）；（）；（）、个体防护。