机柜机械强度应满足所承载通信设备对机柜机械强度的要求,载荷质量不得少于()。 A.4

题型:单项选择题

问题:

机柜机械强度应满足所承载通信设备对机柜机械强度的要求,载荷质量不得少于()。

A.400公斤

B.500公斤

C.600公斤

D.700公斤

考点:通信设备检修知识考试通信设备检修知识考试题库
题型:单项选择题

任务型阅读(共5小题,每小题1分,共5分)

阅读下面短文,然后根据要求完成任务。

Popular Ways to Say Goodbye to Middle School Life

As well as a big meal, there are also some new popular ways to say goodbye before leaving school:

Idea1: Travel with your classmates.

Idea2: Set up a website to help your group stay in touch.

Idea3: Record everyone’s best wishes and their smiles with a DV or a digital camera and make a DVD copy for everybody.

(A) 根据短文内容,完成以下句子的填空和选择,每空1分。

小题1: A big meal is an ordinary but ______________ way to say goodbye before leaving school.

小题2: If you like outdoor activities, you can _________________ and enjoy yourselves.

小题3: You can stay in touch with your classmates by ______________________.

So there is no need to feel sorry.

小题4: If you want to have Idea 3 done, you need to choose _______________ at first.

A.      B.     C. 

(B) 请根据自己的想法,写一条告别母校、同学及初中生活的美好建议。

小题5: ____________________________________________________________

题型:单项选择题

3. I had a fear of height, and the higher I got, the ______ I felt.

A.worse

B.better

C.bad

D.Good

题型:单项选择题

单机挂车的辆数,线路坡度不超过()区段,以10辆为限。

A、6‰ 

B、10‰ 

C、12‰ 

D、20‰

题型:单项选择题

调整供油时间时,逆着凸轮轴旋转方向将壳体转动一个角度,供油时间(),即供油提前角();反之,则供油推迟,供油提前角减小。

题型:单项选择题

从原材料、零部件购进入库起,直到产成品发送出去为止,物质资料在生产企业内的整个物流过程称为生产物流。

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