光纤通信系统按光纤的模式进行分类可分为()光纤通信系统和单模光纤通信系统。

题型:填空题

问题:

光纤通信系统按光纤的模式进行分类可分为()光纤通信系统和单模光纤通信系统。

考点:线务员线务员题库
题型:填空题

患者男性,52岁。间歇发作上腹部疼痛15年,加重1周入院。患者于15年前出现上腹部隐痛,进食后可缓解,当时未予以重视,患者近1周前出现上腹部疼痛加重,伴呕吐症状,呕吐物为宿食、量多,未见血块,无黑便,无咳嗽、气促、发热,体重减轻2kg。

主要考虑该患者有哪些疾病()

A.胃癌

B.幽门梗阻

C.溃疡性穿孔

D.溃疡性出血

E.慢性胃炎

F.肝炎

G.直肠癌

题型:填空题

检查软件产品是否符合需求定义的过程称为

A.确认测试

B.集成测试

C.验证测试

D.验收测试

题型:填空题

Rules of safety are made to keep people from getting hurt. It is important for everyone to learn how to live safely while at home, work, or play. You should always remember this. Put safety first.

Safety can be practiced at home by following some simple rules. Use ladders instead of stepping up on tables and chairs. Keep stairs well lighted and clear of things for someone to trip over. Fasten down loose rugs. Turn handles of pots inward from the edges of stoves. Keep matches and medicines out of the reach of small children.Keep electric wiring in good repair.

Safety at work has been getting attention from groups of people for many years. Safer machines have been built to cut down on accidents.  Red  lights  warn  when equipment is out of order and is not to be used. The proper shoes, gloves, robes, hats, or coats help protect workers on the job.

Safety at play is important, too. Children should use swings and slides properly. Common sense by people boating and swimming will also help everyone around stay safe. Good manners and care for others are part of safety.

Living safely can be fun for you as well as for those around you, You will be able to help others think before they act. Try to work for safety in everything you do.

小题1:Which of the following statements is not included in the rules listed in the passage?

A.Use ladders to reach a high place or object,

B.Light stairs all the time.

C.Keep wires in good condition.

D.Keep matches out of the reach of small children.小题2:The first sentence in the third paragraph implies______.

A.people .have been absorbed in safety at work for many years

B.safety at work has been an attractive problem for a long time

C.safety at work has drawn people's attention since many years ago

D.people paid more and more attention to safety at work小题3:From the last paragraph we know that_____.

A.living safely is meaningful

B.you can help others think and do

C.we should try to work well

D.all of the above小题4:This passage mainly teaches us_______.

A.how to behave well

B.what we should pay attention to at work

C.we should do things safely

D.rules of safely

题型:填空题

路拱的形状有()、()、()。

题型:填空题

违反治安管理行为人有下列()情形之一,依照治安管理处罚法应当给予行政拘留处罚的,不执行行政拘留处罚。

A、已满十四周岁不满十六周岁的

B、初次违反治安管理的

C、七十周岁以上的

D、怀孕或者哺乳自己不满一周岁婴儿的

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