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【单选题】
个体对觉察和认知到的某种威胁情境或事件所作出的一种保护性反应，称为（ ）。A.
应激
B.
应对
C.
危机
D.
危险
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【单选题】He hadn't _______ quite what was wrong with .his mother. He knew, though, that she hadn't been well for some time now.
A.
worked off
B.
worked on
C.
worked out
D.
worked at
【单选题】Although he has lived with us for years, he_____ us much impression. [ ]
A.
hadn't left
B.
hadn't been left
C.
hasn't been left
D.
hasn't left
【简答题】()是指一条曲线沿某一方向向曲面作投影时形成的影子线
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【单选题】He demanded that we explain why things went wrong,______?
A.
hadn't we
B.
hadn't he
C.
didn't we
D.
didn't he
【单选题】__( )___ if you hadn’t lost your watch?
A.
Hadn't you been upset
B.
Wouldn't you be upset
C.
Weren't you upset
D.
Wouldn't you have upset
【单选题】The little boy didn't know _______. [ ]
A.
Which hat is his
B.
which hat his is
C.
which hat was his
D.
which hat his was
【单选题】Ted together with his friends had a good time when hiking, ?
A.
didn’t he
B.
hadn’t he
C.
didn’t they
D.
hadn’t they
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