坡口机操作时,手动阀控制的三个工作位是涨紧、()、收回。A、高位保压 B、中位保压

题型:单项选择题

问题:

坡口机操作时,手动阀控制的三个工作位是涨紧、()、收回。

A、高位保压

B、中位保压

C、低位保压

D、平位保压

考点:燃气具安装维修工考试燃气具安装维修工考试题库
题型:单项选择题

Island University has a competition for middle school students.

Read about the competition on their web site.

School Competition

Students! Here is your chance to help the physically disabled(残疾人). Think out a robot or a machine to help them live better. There’ll be three prizes. The winning schools will each get $15,000. Read the information below:

What do you have to do?

·Try to know problems faced by the physically disabled in Hong Kong. Write a 200-word article on the difficulties these people have to suffer each day.

·Try to know modern inventions that help the physically disabled. Then think out a robot or a machine that will improve the lives of the physically disabled. Draw your invention. You can make as many drawings as you like to show your invention. You can even make a small model of your invention.

· Write a short description of your invention.

Who can join?

All middle school students in Hang Kong.

So, come on! Join the competition, and get the chance!

小题1:Where can you find the information?

小题2:Why is the school competition held?

小题3:What prize will each winning school get?

小题4:How many words should be written on the difficulties the disabled have to suffer each day?

小题5:Who can join the competition?

题型:单项选择题

常用治鼻塞鼻渊的药物是()A.辛夷B.白芷C.苍耳子D.细辛E.升麻

A.辛夷

B.白芷

C.苍耳子

D.细辛

E.升麻

题型:单项选择题

“ * * ”结束后,生产责任制首先出现在 [ ]

A.安徽省和四川省

B.山东省和安徽省

C.四川省和山东省

D.安徽省和江苏省

题型:单项选择题

产妇产后易发生泌尿系感染,其病因为( )

A. * * 短而直,且与肛门靠近

B.在分娩过程中肛查、 * * 检查过多

C.分娩过程中,膀胱受压时间过长引起黏膜充血、水肿

D.产后 * * 或膀胱张力过低,对充盈不敏感

E.产妇过度疲劳

题型:单项选择题

为()的缩写。

A.百分吸收系数

B.比旋度

C.折光率

D.熔点

E.饱和甘汞电极的电极电位

更多题库