Driving can be very convenient, but can also cause many problems. Waiting in line at a red light, a driver may get impatient and decide just to drive fight through it. If another car is coming from the other direction, there might be a terrible accident. Cutting another car off can make its driver angry, so that driver cuts off someone else. Pretty soon everybody is angry, and impatient.
Traffic accidents declare millions of lives every year worldwide. In Taiwan alone, over seven people are killed in accidents every day. The annual death rate (年死亡率) from traffic accidents in Taiwan is twice that of Japan.
To allow traffic to move smoothly and safely, everybody must follow the rules. Before you drive, learn all the traffic laws. That way of driving is safe, convenient and even fun!
The word "convenient" in the passage means
A.handy, easy to do
B.that can be changed
C.fond of drinking and merry-making
D.carriages or other trucks
第2题
物质由一种状态迅速地转变为另一种状态,并在瞬间以机械功的形式释放出巨大能量的现象,叫做()。
A.化学爆炸
B.爆燃
C.爆炸
D.爆轰
第7题
B.着火分为点燃和自燃
C.因为点火能量是燃烧的充分条件之一,所以自燃也需要外部点火能量
D.爆炸是物质由一种状态迅速地转变成另一种状态,并在瞬间以机械功的形式释放出巨大的能量,或是气体、蒸汽在瞬间发生强烈膨胀等现象
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