汽车在下坡路段出现制动失效时，驾驶员可充分利用路侧专设的紧急避险停车区停车。
参考答案：对
There _______ a wonderful film on TV last night. Did you see it? [ ]
A. had
B. has
C. were
D. was
垄断竞争与自由竞争相比（）
A.竞争目的相同
B.竞争激烈程度和后果相差不大
C.竞争范围扩展
D.竞争手段没有变化
