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【判断题】
固体废物中物质的表面亲水与疏水性或润湿性，可通过浮选药剂的添加或减少而改变（ ）。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】_____ as the most excellent student in her university, as most classmates had expected, made her parents very happy.
A.
Mary was chosen
B.
Mary chosen
C.
Mary being chosen
D.
Mary’s being chosen
【单选题】English is interesting subject for - most of student.
A.
the,an
B.
the ,the
C.
an,/
D.
an, the
【单选题】9 Mary evidently is the most diligent student among us.
A.
intelligent
B.
beautiful
C.
talkative
D.
hardworking
【简答题】word素材02.doc 请按照今天上课的知识点对整个Word文档进行编辑。
【单选题】Charlie is _______most hardworking student, but he isn’t ______most hardworking student in our class.
A.
the，the
B.
the;a
C.
the;the
D.
a;a
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