加用短时作用的血管扩张药使血压适度降低，以减少出血属（） A_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

加用短时作用的血管扩张药使血压适度降低，以减少出血属（）

A．诱导麻醉

B．神经安定镇痛术

C．麻醉前给药

D．控制性降压

E．基础麻醉

答案

参考答案：D

改错题

此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画
一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下画一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。

    I went to see the film after supper. On my way to the
cinema, I met the English woman, who lost her way.
I gave up the chance see the film and took her to her
hotel. While go there, I told her about great changes
that had been taken place in the past few years
and she she had told me something about her country.
Although I missed the film, but I still felt very happy, for
I had not only helped her out of trouble but practised
my spoken English. If I had not worked hard on
English, I would not have been able to help him.

1.________
2.________
3.________
4.________
5.________
6.________
7.________
8.________
9.________
10.________

单项选择题

创建或打开信号量集的相同函数是（）。

A.seminit

B.sem

C.semget

D.semcreate