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【单选题】
Floods and bad farming over the years ruined a land that________ and made it miserably poor.A.
was once rich
B.
had once been rich
C.
have once been rich
D.
was once being rich
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举一反三
【单选题】When Wang Xin said, “ I doubt there are real vampires and ghosts existing”. Mary said____.
A.
I don’t know for sure.
B.
I can’t say for certain
C.
I’m not sure.
【单选题】When Wang Xin said “ you look great in the new dress.” you may say______by showing your doubts.
A.
Oh,no.It’s not true.
B.
Yes,you are right.
C.
I doubt it.
【简答题】第13讲 学习笔记
【简答题】酸碱滴定中,酸碱强度越大,滴定突跃范围
【简答题】隋代( )和东都( )二座城都被唐朝所继承,进一步充实发展城东西二京,也是我国古代宏伟、严整的方格网道路系统城市规划的范例。
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