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【多选题】
危险源指的是可能造成( )或这些情况组合的根源或状态。A.
人员伤害
B.
职业病
C.
财产损失
D.
作业环境破坏
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举一反三
【单选题】He knows several languages, ______, he knows English and Japanese.
A.
such as
B.
for example
C.
that is
D.
for an example
【单选题】He should ( ) what he's good at, and no switch to something he knows nothing about.
A.
take on
B.
stick to
C.
go after
D.
live on
【单选题】Child as he is, he knows a lot. 同意句是
A.
Although he is a child, he knows a lot.
B.
He knows a lot because he is a child.
C.
When he is a child, he knows a lot.
【单选题】_______, he knows a lot about computer.
A.
As he is a child
B.
Child as is he
C.
Child as he is
【单选题】How much does the man know about China's tea culture?
A.
He knows much about it.
B.
He knows nothing about it.
C.
He has a limited knowledge of it.
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