第19题: [单项选择]What does the speaker imply A. He didn’t finish the exercises yesterday. B. The exercises were handed in yesterday. C. He knew the exercises should be handed in today. D. He doesn’t need to hand in the exercises today. 参考答案:A 答案解析:If I had known the exercises should be handed in today, I’d have finished them yesterday.
第27题: [单项选择]根据实际经验,停车视距一般是会车视距的( )倍。 A. 0.5 B. 1 C. 2 D. 3 参考答案:A 答案解析:解析:
机动车辆在行进过程中,突然遇到前方路上有行人或路面障碍物,不能绕越,必须及时在障
碍物前停车,其保证安全的最短距离称为停车视距。两辆机动车在一条车行道上对向行驶,
保证安全的最短税线距离