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搜题
【多选题】
下列哪些工作属于承包人的主要义务?A.
工程质量不符合约定时负责修理
B.
接受发包人检查
C.
及时验收工程
D.
提供必要的施工条件
E.
平整施工场地
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皮皮学刷刷变学霸
举一反三
【简答题】展览营销的特点()()()()
【单选题】Science is still ______ of the causes of many kinds of cancer.
A.
ignorant
B.
unconscious
C.
conscious
D.
informed
【单选题】Science is still largely ignorant ______ the causes of many kinds of cancer.
A.
about
B.
of
C.
with
D.
to
【单选题】What do scientists mean by saying that the science of crying is still in its infancy?
A.
There is still more to learn about crying．
B.
People have known a lot about crying．
C.
The science of crying is a subject needed to be learned．
D.
The study of crying meets difficulties．
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