在中核运行,用于监测人员皮肤放射性污染的仪表为()。 A.C1门 B.全身污染监测仪

题型:单项选择题

问题:

在中核运行,用于监测人员皮肤放射性污染的仪表为()。

A.C1门

B.全身污染监测仪(C2门)

C.WBC

D.小件物品监测仪

考点:高校实验室安全考试辐射防护辐射防护题库
题型:单项选择题

血液是人体的一种重要组织,它具有多方面的重要作用。

(1)血浆是内环境的重要组成部分,血液pH的相对稳定主要依赖于其中的______物质。

(2)血液在体温调节中有重要作用。如人体在运动过程中,产热量大量增加,通过_______的体温调节中枢的调节,使皮肤的________,也使汗液的分泌增多,散热量增加,从而保持体温的相对稳定。

(3)血液具有防御功能。血液中的白细胞能吞噬分解外来的微生物,这属于________免疫。血液中的淋巴细胞在_________免疫中发挥主要作用,能导致结核杆菌的宿主细胞裂解死亡的细胞称________。

(4)血液中的葡萄糖是重要的供能物质,维持血糖含量相对稳定的激素主要是_________ (至少两种)等。

题型:单项选择题

阅读理解。

      "What's the matter, Bob?" asked his mother. "Why do you look so sad?"

"I don't have anyone to play with," said Bob. "I wish we had stayed in Salt

Lake City. I had friends there."

      "You will soon make friends here,"  said his mother." Wait and see!"

       Just then there was a tap on the door. Mrs Miller opened it.

       There stood a woman with red hair. " Hello," she said. "I'm Mrs Carey.

I live next door."

       " Come in," said Mrs Miller. " Bob and I are so glad you come."

       "I come to ask for two eggs," said Mrs Carey. "I want to bake a cake."

       "You may have the eggs," said Mrs Miller. " But do sit down. Let's have

coffee and talk a little."

       That aftermoon there was another tap on the door. Mrs Miller opened it.

There stood a boy with red hair. "My name is Tom Carey," he said.

       "My mother sends you this cake and these two eggs."

       "Oh, thank you, Tom," said Mrs Miller. " Come in and meet my son Bob."

       Tom and Bob were about the same age. Soon they were having cake and milk.

"Can you stay and play with me?" asked Bob. "Yes, I can stay an hour,"  said Tom.

"Then let's play a ball,"  said Bob. " My dog will want to get in the game,  too."Tom

found it was fun to play with Trix. He had no dog of his own.

      "I'm glad you live next door," said Bob." Now I have someone to play with." 

      "Mother said we would soon be good friends," answered Tom. "I'm glad

your mother needed two eggs." said Bob.

      Tom laughed, " She didn't really need the eggs," he said. "She just wanted to make

friends with your mother!" Then Bob laughed, too." That's a funny way to make friends,"

he said. " But it's a nice way. It worked!"

1. Why did Mrs Carey come to Mrs Miller? [ ]

A. To borrow two eggs.

B. To send a cake.

C. To play with Trix.

D. To make friends with Mrs Miller.

2. Mrs Miller was _____ at Mrs Carey's visit. [ ]

A. glad 

B. surprised

C. unhappy

D. worried

3. Trix was the name of _____. [ ]

A. Tom's toy

B. Bob's dog

C. Mrs Miller's daughter

D. Mrs Miller's son

4. This story is about one way _____.[ ]

A. to borrow things from the neighbour

B. to play with little dogs

C. to bake cakes

D. to make friends

5. The underlined word "tap" in Paragraph 3 means _____.[ ]

A. a light knock

B. a noise

C. a voice

D. a push

题型:单项选择题

Windows Server 2003服务器中,要对文件和目录进行共享设定,必须以______、 Servers或Operators组的成员身份登录。

题型:单项选择题

黄连、胡黄连均能清热燥湿解毒,而胡黄连长于()

A.清泻胃火

B.清泻心火

C.清中焦湿热

D.除疳热

E.燥湿解毒

题型:单项选择题

疾病高危人群的筛选是医学预防中的重要任务,采用以下哪个指标进行筛选能发现最早期发病人群()

A.内暴露剂量

B.早期生物效应分子

C.生物作用剂量

D.出现靶器官细胞凋亡

E.测量易感基因

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