某工地施工时不慎塌方，引起工伤事故，对严重损伤病人的处理首先_爱下问搜题

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问题单项选择题 A1/A2型题

某工地施工时不慎塌方，引起工伤事故，对严重损伤病人的处理首先是（）

A.抗休克

B.止血、骨折固定

C.防止窒息

D.镇静止痛

E.抗感染、输血

答案

参考答案：C

解析：严重损伤患者首要处理是防止窒息，维持生命体征稳定。

填空题

用方框中所给词的适当形式填空。

island；busy ; capital; you ; population; hometown;question;wide;hot;read

1. There is a small river near my         .
2. The         is too hard for us to answer.
3. The bridge is two thousand metres long, fifteen metres
4. Ji'nan is          in summer than England.
5. His brother usually        English books after supper.
6. There is a small village on the
7. Sorry,I really want to help you but I am too         . I don't have time.
8. Beijing is the        of China.
9. Cambridge has a             of about 100 ,000 people.
10. My room is cleaner than         .

填空题

若样本数据4，2，3，3 的平均数是a，中位数是b，众数是c，则数据 a、b、c的方差是（）。