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【单选题】
She asked the secretary she could come or not.A.
if
B.
that
C.
what
D.
whether
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【多选题】抛射剂的用量可直接影响( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
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B.
硬度
C.
雾粒的大小
D.
疏松度
E.
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