下列哪组气体都属于空气污染物[ ] A.CH4、CO2、H2 B.CO2、HCl

题型:选择题

问题:

下列哪组气体都属于空气污染物[ ]

A.CH4、CO2、H2

B.CO2、HCl、N2

C.SO2、CO、NO2

D.HCl、N2、O2

考点:空气的污染和防治
题型:选择题

小儿体液免疫功能不如成人健全,下列正确的是()

A.新生儿可以从母体获得抗体IgM

B.新生儿被动免疫将在6个月内全部消失

C.主动免疫随年龄而减弱

D.婴幼儿期IgA较充足

E.小儿白细胞吞噬能力较低

题型:选择题

社会保障项目标准的确立,直接影响到社会成员个人的受益程度和社会保障的总体规模与水平。()

题型:选择题

下列加粗实词含义相同的一组是[ ]

A.六王毕,四海——旦不能有,输来其间

B.秦纷奢,人亦念其家——不珍器重宝肥饶之地

C.奈何之尽锱铢——不稼不穑,胡禾三百困兮

D.山东豪俊遂并起而亡秦矣——秦者秦也,非天下也

题型:选择题

句型转换。

1. A: How many countries does the UK consist of?

    B: How many countries is the UK ______ ______ ______?

2. A: For those you have to go to older but smaller towns first built by the Romans.

    B: For those you have to go to older but smaller towns ______ ______ first ______ by the Romans.

3. A: Worried about the time available, Zhang Pingyu had listed the sites she wanted to see in London.

    B: Because she ______ ______ about the time available, Zhang Pingyu had made a ______ ______

        the sites she wanted to see in London.

4. A: On my way to the station something was wrong with my car.

    B: On my way to the station my car ______ _______.

5. A: When she saw many visitors enjoying looking at the beautiful old Chinese pots and other objects 

        on show, she felt very proud of her country.

    B: _______ many visitors enjoying looking at the beautiful old Chinese pots and other objects on show, 

        she took ______ ______ her country.

题型:选择题

做一名合格的企业负责人,除了应具备相应学历水平和广泛的知识面外,还应该具有的能力包括()。

A.组织管理的能力

B.能制定车间的流程

C.安全生产知识

D.安全培训资格

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