单项选择题

According to the author, if a person is found guilty of a crime,

A．society is to be held responsible.
B．modem civilization is responsible for it.
C．the criminal himself should bear the blame.
D．the standards of living should be improved.

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热门试题

单项选择题

It can be interred from the article that an inertial guidance system is similar to

A．a gyroscope.
B．a high speed vehicle.
C．a navigator.
D．a submarine.

单项选择题

According to the selection, the basic concern of the inertial guidance system is

A．space in three dimensions.
B．poor visibility and meteorological conditions.
C．the altitude and position of a vehicle.
D．spacecraft productivity.