单项选择题

A．There was a long interval between cause and effect.
B．The weather was difficult for us to forecast.
C．Weather forecast was inaccurate.
D．Ecologists didn’t appear until modern times.
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单项选择题
A．He’s surprised she chose that agency.B．He wonders why she’s kept her job.C．He doesn’t know when her classes started.D．He doubts she makes much money now.
A．He’s surprised she chose that agency.
B．He wonders why she’s kept her job.
C．He doesn’t know when her classes started.
D．He doubts she makes much money now.
单项选择题
A．Architecture and Literature.B．Development of Architecture.C．Classification of Architecture.D．Materials of Architecture.
A．Architecture and Literature.
B．Development of Architecture.
C．Classification of Architecture.
D．Materials of Architecture.
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