汽油属于哪种有机溶剂()。 A.芳香烃类 B.醇类 C.卤代烃类 D.脂肪开链烃类

题型:单项选择题

问题:

汽油属于哪种有机溶剂()。

A.芳香烃类

B.醇类

C.卤代烃类

D.脂肪开链烃类

E.脂肪族环烃类

考点:重症医学(医学高级)重症医学综合练习重症医学综合练习题库
题型:单项选择题
What can you do to keep healthy? Perhaps for children, healthy eating is one of   41  things. Here are some ideas about how to eat healthily.
A good breakfast is very important to children. It’s necessary  42  breakfast in the morning. But some children often go to school   43  breakfast, just because they want to sleep a little longer. Remember that a good breakfast will help you study better.
“My dream is that all the Chinese children can get half a kilo of milk a day.” the Chinese Premier( * * ) Wen Jiabao said this during his   44  to a milk farm. Milk is also very important to children’s health. It makes children   45 . It’s better for you to have a glass of milk   46   going to bed. That will help you have a good sleep.
Having healthy food is also very important. That   47  eating different kinds of food, especially(尤其是) fruit and vegetables. Don’t eat   48  chocolate or ice cream. Some children love eating fast food, but it is not good for their health. Try to eat healthy food   49  fast food. Have healthy eating habits,   50  you will have a strong body.
小题1:
A.importantB.an importantC.the most importantD.more important
小题2:
A.haveB.havingC.to haveD.had
小题3:
A.withB.forC.aboutD.without
小题4:
A.visitB.leaveC.birthdayD.time
小题5:
A.become worseB.grow strongerC.get excitedD.feel ill
小题6:
A.onB.inC.afterD.before
小题7:
A.showsB.meansC.asksD.says
小题8:
A.too muchB.much tooC.too manyD.too
小题9:
A.so thatB.at leastC.such asD.instead of
小题10:
A.orB.forC.andD.as
题型:单项选择题

对于以下催乳素瘤临床的描述,哪一项是错误的()

A.女性易被早期发现

B.女性患者远较男性多

C.催乳素瘤体女性一般较男性大

D.口服溴隐亭有较好的疗效

E.溴隐亭停药后可复发

题型:单项选择题

穿孔工作基本程序有哪些?

题型:单项选择题

电火花成型加工与穿孔加工有何不同特点?

题型:单项选择题

管路系统的特性曲线是随着()的增加而上升。

A、流量

B、扬程

C、轴功率

D、效率

更多题库