问题
单项选择题
一般三块板横断面适用于( )。
A．机动车量和自行车量都很大的交通性干路
B．要求机动车车速快而畅通的城市快速路
C．机动车交通量不十分大，无车速和车流畅通要求，自行车交通量又较大的生活性道路或客运交通干路
D．机动车交通量不十分大，而又有一定的车速和车流畅通要求，自行车交通量又较大的生活性道路或客运交通干路
答案
参考答案：D
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一般三块板横断面适用于( )。
A．机动车量和自行车量都很大的交通性干路
B．要求机动车车速快而畅通的城市快速路
C．机动车交通量不十分大，无车速和车流畅通要求，自行车交通量又较大的生活性道路或客运交通干路
D．机动车交通量不十分大，而又有一定的车速和车流畅通要求，自行车交通量又较大的生活性道路或客运交通干路
参考答案：D
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| It was black in the evening. Jason, a 12-year-old boy didn't want to go outside. But his mother, Branda, was worried about his father and 1 he go. That evening the man had to 2 his car, a Buick outside their house in the driveway. 3 enough, the wife hadn't heard a single 4 for at least one hour. "Go and find him," she told Jason. The kid stepped outside in the darkness and called into the shadows "Dad?" "Jason?" 5 was his father, but his voice sounded 6 . He spoke slowly, in a strange way. That evening, when the man had to get 7 the car to fix it, he used a forklift to lift the car. 8 , the man didn't place the blocks in front of the car' s front tires to keep it from 9 forward off the forks, which was exactly 10 it did afterwards. Little Jason saw his dad's feet 11 out from beneath the car. 12 to take a full breath, Old Jason sank into a sleepy, half-alive 13 . "Calm down. It will be OK." The boy 14 his mother. Now he couldn't afford to be scared. He climbed on and started up, the Buick started to come off the ground and 15 in the air. Minutes later, 911 policemen arrived. Old Jason 16 beneath the car, still breathing. It wasn't 17 his dad was loaded into an ambulance that the little boy 18 and sobbed. Little Jason says one happy change has come out of the 19 : he gets to spend more time with his dad. Old Jason, who hasn't touched a car 20 the Buick fell on him often spends evenings with his son playing. | ||||
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