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【判断题】
【图片】值为13，其中【图片】是从【图片】到【图片】的一段直线.A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Everyone has periods in their lives ______ everything seems very hard.
A.
when
B.
where
C.
which
D.
That
【单选题】Everyone has periods in their lives__________everything seems so hard.
A.
when
B.
where
C.
which
D.
that
【单选题】Everyone has periods in their lives ______ everything seems very hard.
A.
when
B.
where
C.
which
D.
that
【单选题】In my opinion, everyone has periods in their lives _______ everything seems very hard.
A.
when
B.
where
C.
which
D.
that
【简答题】Everyone has periods in their lives _______ everything seems so hard.
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