皮皮学，免费搜题
登录
搜题
【多选题】
下列表述正确的是( )A.
在道路上的车流和人流统称为交通流
B.
在同一级公路路段上,2辆中型车可以换算为3辆标准车
C.
交通量是一个随机数,随不同时间、不同地点而变
D.
大城市主干路的设计车速为50KM/h
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】A recent report determined that although only three percent of drivers on Maryland highways equipped their vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding th...
A.
Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.
B.
Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.
C.
The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.
D.
Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.
E.
Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
【简答题】What does a recent report claim about the long-term effects of mobile phones?
【单选题】recent report stated that the number of Spanish speakers in the prefix='st1' U.S. would be higher than the number of English speakers by year 2090.
A.
A the
B.
A?xml:namespace> 不填
C.
The 不填
D.
The a
相关题目：