“吸烟有害健康”,我国政府规定:从2011年5月1日起,公共室内禁止吸烟.烟草燃

题型:选择题

问题:

“吸烟有害健康”,我国政府规定:从2011年5月1日起,公共室内禁止吸烟.烟草燃烧释放的物质中,能与血红蛋白结合引起中毒的是(  )

A.一氧化碳

B.二氧化碳

C.尼古丁

D.焦油

考点:化学元素和人体健康一氧化碳的毒性
题型:选择题

绝对值大于3且小于7的所有负整数是______,两个互为相反数的数(0除外)的商是______.

题型:选择题
下列解释中正确的是(  )

A.尖嘴钳钳柄上的橡胶套做有花纹,主要是为了美观

B.电线的芯线外包了一层塑料,主要是为了芯线不受腐蚀

C.就餐磁卡不能与磁铁放在一起,是防止它被磁铁磁化

D.实验室铺的地毯掺有金属丝,主要是增加地毯的牢固性

题型:选择题

Anh’s car required repairs to its steering. She took the car to Repair Limited, a local garage, to have the necessary work completed. Immediately after collecting the car, Anh was driving to the airport in order to travel to Paris on business and the steering on the car failed. As a result, Anh damaged a building adjacent to the road. The subsequent discussions with the owner of the building and the police who attended the accident delayed Anh’s onward journey, causing her to miss the flight. Anh had to pay for a new ticket.Required:

(b) Discuss the extent of liability facing Anh, Repair Limited and the engineer who repaired the steering wheel on behalf of Repair Limited. (6 marks)

题型:选择题

衡量一个企业的生产过程组织得是否先进,可以以生产过程运行的( )为主要标志。

A.连续性

B.平行性

C.节奏性

D.平稳性

E.适应性

题型:选择题

下面除哪条血管外,均供应女性内外生殖器官的血液

A.子宫动脉

B.阴部内动脉

C.卵巢动脉

D.右肾动脉

E. * * 动脉

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