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【多选题】
水体自净的主要机理有A.
物理过程
B.
化学和物理化学过程
C.
生化过程
D.
人为过程
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反馈参考答案：
举一反三
【单选题】It isn't quite ______ that he will be present at meeting.
A.
sure
B.
right
C.
exact
D.
certain
【简答题】通过switch实现一周内每天显示不同图片,使用js独立文件。 代码已给出,请小组课下练习实现并了解代码含义。
【单选题】—Is that _____ friend? —Yes, _____. [ ]
A.
your; it isn't
B.
he; it's
C.
our; it is
D.
her; it isn't
【单选题】It isn't quite ___ that he will be present at the meeting.
A.
sure
B.
right
C.
certain
D.
exact
【简答题】It isn't quite _____ that he will be present at the meeting. A．sure B．right C．exact D．certain
【简答题】股东权益报酬率=资产报酬率×( ) 。
【单选题】The tall man over there is our new English teacher, _________?
A.
is he
B.
is there
C.
isn’t he
D.
isn’t there
【单选题】.It isn't quite _____ that he will be present at the meeting.
A.
sure
B.
right
C.
exact
D.
certain
相关题目：
【单选题】It isn't quite ___ that he will be present at the meeting.
A.
sure
B.
right
C.
certain
D.
exact
参考解析：
知识点：
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