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【判断题】
PEEP的作用包括既能改善通气功能，又能改善换气功能。A.
正确
B.
错误
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【单选题】According to the article, one reason for the discovery of new diseases is ____.
A.
According to the article, one reason for the discovery of new diseases is ____.
B.
According to the article, one reason for the discovery of new diseases is ____.
C.
changes to animal habitats bring humans and animals into contact
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A.
why
B.
when
C.
that
D.
how
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【判断题】The reason why one learns assembly language is that one learns about the computers' architecture and operating system.
A.
正确
B.
错误
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【单选题】At the same time there ______ the pressure on staff and this is perhaps one reason for the growth of white collar work unions in the banks.
A.
have increased
B.
are increasing
C.
was increased
D.
has been increased
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