皮皮学,免费搜题
登录
搜题
【简答题】
Some people don’t believe that driving more slowly can save lives. But the truth is that driving more slowly can help a person to avoid serious accidents. The following chart shows the distance that it takes to stop a car at a given speed. The distance is measured in feet. The shaded area shows the driver’s thinking distance. That’s the distance it takes for the driver to react to a danger that he sees. The white area shows the car’s braking distance. That’s the distance it takes for the car to stop once the brakes are used. The number at the top of each bar shows the total number of feet that it takes to stop the car 72. According to the chart, what is the total number of feet needed to stop a car that is traveling at 50 miles per hour? A. 55.    B. 73.    C. 128.    D. 183. 73. What is the braking distance for a car that is traveling at 60 miles per hour? A. 66 feet.    B. 119 feet.    C. 185 feet.    D. 251 feet. 74. Which of the following statements about braking and speed is TRUE? A. The braking distance is what it takes for the driver to react to a danger that he sees. B. The speed of a car has a direct effect on the distance needed to stop the car. C. The braking distance increases only when a driver drives faster than 50 miles per hour D. Driving slowly can help a person to avoid all accidents 75. The underlined word probably means _____. A. equipment for slowing down or stopping    B. object that turns around C. object to control the direction in a car    D. large glass window at the front of a vehicle
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】框架结构在水平侧向力作用下的侧移曲线以哪种变形为主?
A.
剪切型
B.
弯曲型
C.
剪弯型
D.
弯剪型
【简答题】请简述可移动救生船内的应急设备。
【单选题】可信区间估计时可信度是指
A.
α
B.
β
C.
1-α
D.
1-β
E.
以上均不是
【判断题】(10-7) 利用BigDecimal可以提高小数运算的精度,并且运算性能与基本类型是一样的。
A.
正确
B.
错误
【简答题】165x256=
【单选题】10BASE-T标准规定节点与集线器之间的非屏蔽双绞线最长为( )
A.
185m
B.
100m
C.
500m
D.
50m
【单选题】After the mew technique was introduced ,the factory produced in 2001 as the year before.
A.
as twice many machines
B.
twice many as machines
C.
as many machines twice
D.
twice as many machines
【单选题】可将畜体分为前后两部的切面是( )。
A.
失面
B.
正中矢状面
C.
额面
D.
横断面
【单选题】10BASE-T 标准规定连接结点与集线器的非屏蔽双绞线最长为( )。
A.
50m
B.
185m
C.
100m
D.
500m
【判断题】框架结构在水平侧向力作用下的侧移曲线以弯曲性变形为主
A.
正确
B.
错误