位置开关的关的状态英文缩写是()。A、PSO B、PSC C、ZSC D、ZSO

题型:单项选择题

问题:

位置开关的关的状态英文缩写是()。

A、PSO

B、PSC

C、ZSC

D、ZSO

考点:海洋油气操作工考试初级海洋油气操作工考试初级海洋油气操作工考试题库
题型:单项选择题

选做题:情景交际,根据对话内容从方框中选出正确的句子补全对话(其中有两个为多余选项)。

Bill: What time is it now?

Tom: It is half past nine.

Bill: l. ______ I want to go and have a look. Do you think I'll have enough time to get there before it closes?

Tom: I can't tell. What time does it close?

Bill: About 10 o'clock.

Tom: Can you make it in half an hour? 2.______ By the way, can you return some books for me?

Bill: 3.______ Do you know what the new books are about? I need some books about English writing for my

       term paper.

Tom: I heard that most of the new books are about English grammar and writing. All of them are the latest

         publications. 4.______

Bill: That's great. Oh, it's already 9:40. There are only 20 minutes left. 5.______ See you!

Tom: See you !

A. Anyway it's not far from here.

B. I'd better get going.

C. OK, no problem!

D. I am sure there are some you need.

E. There is no doubt about it.

F. It must be quite late.

G. It is said that our library has got some new books.

题型:单项选择题

关于血友病,下列错误的是()

A.血友病A,即因子Ⅶ缺乏症

B.血友病A,即因子Ⅷ缺乏症

C.血友病B,即因子Ⅸ缺乏症

D.血友病C,即因子Ⅺ缺乏症

E.因子Ⅷ又称为抗血友病球蛋白

题型:单项选择题

某汽车货物公司拥有三种型号的车辆,各型号车辆的额定吨位及2014年8月的车辆运用情况如下表:

甲、乙、丙三种车型当月的载重行程载重量合计为()吨公里。

A.64790

B.67450

C.69750

D.97540

E.98500

题型:单项选择题

变速箱有杂音的原因是()。

A、缺少齿轮油

B、拨叉轴和孔磨损松动

C、轴承磨损严重

D、齿轮齿形磨损变形

题型:单项选择题

下列电缆专业常用电气图形符号叙述正确的是()。

A.1—接地

B.2-交流电

C.3-单相自耦变压器

D.4-避雷器

E.5-熔断式开关

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