单项选择题

A．When the plane is in danger.
B．During test flights in the air.
C．When all the engines suddenly go wrong.
D．During test flights in the lab.
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单项选择题
A．Few of them can life long.B．Few of them get along well with each other.C．Most of them live a normal life.D．Most of them differ in their likes and dislikes.
A．Few of them can life long.
B．Few of them get along well with each other.
C．Most of them live a normal life.
D．Most of them differ in their likes and dislikes.
单项选择题
A．Because the women who had called the day before didn’t receive their foods.B．Because Mr. Dick was a cheater and could not keep his words.C．Because many women wanted to complain to him about the poor quality of the food.D．Because many women wanted to get bread and butter.
A．Because the women who had called the day before didn’t receive their foods.
B．Because Mr. Dick was a cheater and could not keep his words.
C．Because many women wanted to complain to him about the poor quality of the food.
D．Because many women wanted to get bread and butter.
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