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【多选题】
以下属于高分子溶液剂制备方法的是A.
溶解法
B.
醇分散法
C.
热溶法
D.
乳化法
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举一反三
【简答题】_______________________(既然我们无法测出噪音的增减量), we never know to what er we are encountered.
【单选题】There is a feeling in me____ we will never know what a UFO is .
A.
what
B.
which
C.
of which
D.
that
【单选题】The writers, publishers and printers, they are, we never know, are making silent money.
A.
who
B.
whom
C.
whatever
D.
whenever
【单选题】We know through painful experience that freedom is never______ by the oppressor; it must be demanded by the oppressed.
A.
approved
B.
awarded
C.
granted
D.
allowed
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