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【单选题】
海因里希事故因果连锁理论认为，中断事故连锁的进程，就可避免事故的发生。根据这一原理，企业安全生产工作( )为中心。A.
形成注重安全的良好环境
B.
使用无缺点的人
C.
由机器代替人进行操作
D.
防止人的不安全行为、消除物的不安全状态
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【单选题】Englishmen usually don’t ask each other about ___ affairs.
A.
public
B.
political
C.
school
D.
private
【简答题】任务型阅读 。 Dear readers, Imagine a little girl who knows there will not be enough food for dinner, who can't fill her stomach with water because it's polluted, and who has watched lives slipped away (消失)...
【单选题】Americans and Englishmen have difficulties in understanding each other.
A.
True.
B.
False.
【单选题】Englishmen are careful, which___
A.
has something to do with the weather
B.
has nothing to do with theweather
C.
is because England is an island country
D.
is because they know when it will rain
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