单项选择题

New cars are becoming faster and faster because ______.

A．the efficiency of the engines has improved a lot
B．the engines are more powerful
C．people like driving fast
D．highways provide enough chances for fast driving
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单项选择题
A neighborhood watch scheme will probably do all of the following EXCEPT ______.
A．helping to install anti-theft devices
B．raising citizens’ consciousness of community safety
C．helping citizens to claim a lost property
D．encouraging citizens to report suspicious events
单项选择题
The author seems to suggest that ______.
A．the anti-gun control side should be appeased
B．the pro-gun control arguments are groundless
C．a hand gun is inconvenient to use
D．a shotgun is generally better than a hand gun
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