为了评价化学物质对人类的致癌性国际癌症研究所IARC将致癌物分为四大类,其中第四类是

题型:单项选择题

问题:

为了评价化学物质对人类的致癌性国际癌症研究所IARC将致癌物分为四大类,其中第四类是指()。

A.对人类很可能或可能是致癌物

B.对人类肯定的致癌物

C.对人类很可能不致癌的物质

D.对人的致癌性尚不能明确的物质

E.对人类为间接致癌物

考点:卫生毒理(医学高级)卫生毒理学卫生毒理学题库
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单词拼写。

 1. It is said that the vase they found yesterday dates back to the Ming _______________ (朝代)

2. The robot______________(设计)and made in China is of the advanced level in the world.

3. There can be no ____________ (怀疑)that I am fit for this job.

4. The TV set was _____________(移动,搬开)from the living room to the bedroom.

5. The room was prepared for the ____________(接待)of the important guests.

6. I can’t _________ (幸存)on ¥30 a week, which means it is not enough for my basic needs.

7. The reporter is interviewing Li Yan, a _____________ (志愿者) for the 2008 Olympic Games.

8. Only ____________ (运动员)who have reached the agreed standard for their event will be

admitted as competitors.

9. It is no use _____________ (讨价还价)with that mean storekeeper, for he won’t cut down the

price.      

10. You cannot ___________ (竞争)with others in the job market if you don’t have a special skill.

题型:单项选择题

女性,25岁,农民。怀孕3个月,突然寒战,高热,大汗,间日发作2周就诊。血涂片找到疟原虫。

对红细胞内裂殖体有强大杀灭作用的药物为()

A.奎宁

B.氯喹

C.青蒿素

D.甲氟喹

E.伯胺喹啉

题型:单项选择题

信息服务业就是信息产业。

题型:单项选择题

金融宏观调控的主体是( )。

A.中央银行

B.财政部

C.国家外汇管理局

D.商务部

题型:单项选择题

杂交育种中亲本选配原则?

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