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【单选题】
饮用水消毒的主要目的是为了A.
杀灭水中的病原微生物
B.
除去水中的有毒物质
C.
降低水中的悬浮物质和胶体物质
D.
杀灭水中的所有的微生物
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皮皮学刷刷变学霸
举一反三
【单选题】Life insurance, before available only to young, healthy persons, can now be obtained for old people, and even for pets.
A.
before young, healthy persons available only,
B.
available only to young, healthy persons before,
C.
available only to persons young, but more healthy,
D.
before young and healthy persons only available to,
【单选题】It is not how much we do but how much love we put into what we do ________ benefits our work most. [ ]
A.
who
B.
which
C.
that
D.
what
【单选题】Life insurance, before available only to young, healthy persons, can now be obtained for quite a large proportion of the elderly population, and, sorry, even for pet animals.
A.
before young, healthy persons available only,
B.
available only to young, healthy persons before,
C.
available only to persons young, but more healthy,
D.
before young and healthy persons only available to,
【单选题】It is not how much we do but how much love we put into what we do _____ benefits our work most.
A.
when
B.
that
C.
what
D.
how
【单选题】Life insurance, before available only to young, healthy persons, can now be obtained from old people, and even for pets.
A.
before young, healthy persons available only,
B.
available only to young, healthy persons before,
C.
available only to persons young, but more healthy,
D.
before young and healthy persons only available to,
【单选题】Only now are young people ____the importances of having knowledge.
A.
aware of
B.
be aware of
C.
aware
D.
have become aware of
【简答题】How do we classify vowels?
【简答题】How do we classify consonants?
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