男性,40岁,8个月前行二尖瓣机械瓣置换术,近1个月出现发热,体温波动在37.8~3

题型:单项选择题

问题:

男性,40岁,8个月前行二尖瓣机械瓣置换术,近1个月出现发热,体温波动在37.8~38.8℃,化验Hb8.2g/L,尿RB:5~6个/HP,血培养结果未回报。治疗应首选的药物是()

A.青霉素

B.链霉素

C.头孢菌素

D.两性霉素

E.氯霉素

考点:广东住院医师急诊医学心血管内科心血管内科题库
题型:单项选择题

计算:(-2a-23b2÷2a-8b-3=______.

题型:单项选择题

阅读下面对话,从所给的七个选项中,选出最佳选项,填入空格处,使对话完整。并在答题卡上将对应项涂黑。每个选项只能使用一次,有两个选项多余。

-----Mary, we are going to have a party on New Year’s Eve. I’m sure we’ll have a good time.__ 小题1:_.

-----I’d like to. __小题2:__

-----In our classroom. We are going to decorate it and turn it into a splendid ballroom.

-----__小题3:__. I shall be very glad to spend my first new year in China with you.

-----But we are going to ask everyone at the party to give a performance. ___小题4:___.

-----I will. My voice is not very pleasant to the ear, though.

-----I heard you sing once. __小题5:___ I’m sure you ‘ll be the star of our new year party.

-----Oh, thank you.

A.Your voice was sweet and beautiful.

B.Where are you going to have it?

C.Would you like to join us?

D.Thank you for inviting me.E. Oh. It is great.

F. Let’s go to the ball together.

G. Do sing us some English songs, please.

题型:单项选择题

近年来,国有企业高管天价年薪问题引起社会的强烈关注,调整高管收入的呼声不时响起。国企高管天价薪酬行不通,是因为

A.公有制范围内要坚持按劳分配的基本原则

B.天价年薪是不合法收入,要通过税收调节

C.要促进社会公平,由人民共享发展的成果

D.单一分配方式违背多种分配方式并存的要求

题型:单项选择题

地下工程导向钻进法的施工中,有关钻头选择依据的说法,正确的有( )。

A.在淤泥质黏土中施工,一般采用中等尺寸的钻头,以适应变向的要求

B.在干燥软黏土中施工,采用较大钻头的效果最佳

C.在硬黏土中,较小的钻头效果比较理想

D.在砾石层中施工,镶焊小尺寸硬质合金的钻头使用效果较佳

E.在钙质土层中,较小直径的钻头效果最佳

题型:单项选择题

PSMS系统中常用的电量变送器有什么?()。

A.电压变送器

B.电流变送器

C.功率因数变送器

D.有功功率变送器

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