[判断题]铁路职工因公出差、驻勤、开会、调转、搬家、在本管辖区段内流动性生产（工作），均属因公乘车。
A.正确
B.错误

[单选题]水逆证的呕吐特点是( )
A.饮后即吐
B.吐利并作
C.吐物酸腐
D.朝食暮吐
E.呕吐如喷

[判断题]我国的法律体系只包括宪法、行政法、民商法、刑法、经济法。( )
A.正确
B.错误

[判断题]所有传染病都可以依靠接种疫苗就可以避免，能够在一定程度上提高免疫力，控制疾病的流行。（ ）
A.正确
B.错误

[单选题]心左界第 2 肋间处,相当于
A.肺动脉段
B.主动脉段
C.左心耳
D.上腔静脉

[单选题]()的选择和确定直接影响着经营效果，决定着经营管理的威与哦。
A.项目负责人
B.管理团队
C.经营管理小组
D.专业操作人员

[填空题]A variety of social problems are closely linked to poverty. It is well (36) that children who grow up in poverty are more likely to be involved in (37) activities, have higher teenager pregnancy rates, exhibit lower academic (38) and suffer from a (39) of other social problems than those who do not grow up in poverty. The size of the population may also have important (40) for the overall competitiveness of the American economy, not only because it brings the (41) tax burden, but also because immigrants (42) poverty level wages clearly do not have the kind of skills necessary to compete in an (43) global marketplace.
In addition to the impact on American society in general, (44) . Very high poverty rates suggest that a significant proportion of immigrants are unable to succeed in the modern American economy. This is particularly important because without a change in immigrant policy, (4