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【简答题】
可见光在单位面积上的光通量称为( )。
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皮皮学刷刷变学霸
举一反三
【简答题】Since sending her child to the kindergarten, she has been delighted to see a(n) ____ change in the boy's character; he seems less self-centered now.
【单选题】Since sending her child to the kindergarten, she has been delighted to see a(n) __ change in the boy's character; he seems less self-centered now.
A.
modify
B.
nasty
C.
gradual
D.
similarly
【单选题】The kindergarten has prepared _________ of food for babies every day.
A.
different amounts
B.
same amount
C.
different type
D.
same type
【单选题】—A desktop, together with 100 DVDs, _____ to the kindergarten as a present.
A.
has been offered
B.
have been offered
C.
has offered
D.
have offered
【简答题】腈纶纤维阳离子染料染色时染液中的醋酸起( )作用。
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