单项选择题

A: Our flight is behind the schedule again.
B: ______ .

A．When was it cancelled
B．That's annoying.
C．Can we check in our luggage
D．That is too late!

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热门试题

单项选择题

The silent language (ParA．1) refers to （） .

A. the language used by deaf and mute people
B. the language used by the retarded
C. verbal communication
D. body signs

单项选择题

By saying they employ chemical warfare (ParA．2), Bruce Ames means （） .

A. plants absorb useful chemicals to promote their growth
B. plants produce certain chemicals to combat pests and diseases
C. farmers use chemicals to protect plants against pests and diseases
D. farmers use man-made chemicals to dissolve the natural chemicals in plants

A: Our flight is behind the schedule again.B: ______ .

A: Our flight is behind the schedule again.
B: ______ .