许多国家对自行车在公共道路的限速通常较低,例如中国的非机动车道限速约为15公里/小时(≈9.3 mph),接近10 mph。此选项符合常识。- **选项C(20 mph)**:可能性较低。20 mph(≈32公里/小时)对普通人骑行已属于较高速度,城市区域一般不会有如此高的自行车限速。综上,正确答案为**B**,其他选项均不符合实...
What AHigh speed trains: run at the highest speed of 350km/h (217 mph), titled G/D/ C. They are mostly running in daytime with business class seats, first class seats eand second class seats. A few also run overnight with sleepers. They are the first choice for most travelers.Benef...
A tropical storm becomes a hurricane when the storm's wind speed are sustained at 74 miles per hour (mph.) Category 1 hurricanes are when the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
What is a snail's speed? What is the wind speed of a tornado? What wind speed is a hurricane? How fast were ornithopods? How fast is 'Oumuamua? Whats the fastest mph a human has run? How fast was a hadrosaur? What kind of speed is registered by an automobile speedometer? What is...
The speedometer of a European car gives it's speed inkm/h. What is the car's speed inmphwhen the speedometer reads80? Speed: The rate at which the position of an object changes is called it's velocity. The magnitude of velocity is ca...
百度试题 结果1 题目What is the speed limit? A. 35 mph. B. 45 mph。 C. 。 55 mph. 相关知识点: 试题来源: 解析 A 反馈 收藏
60 mph. 相关知识点: 试题来源: 解析 A 答案:A 听下面一段材料,回答第 12至第14题。 Text 8 W: I did n't know that in foreig n coun tries men should always pick up the bill or pay for cinema tickets. It sounds very good to me. M: So, other examples are, ope ning doors...
The government spent nearly 30 years coming up with a plan to reintroduce the wolves. The U.S. Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone. Today, the debate continues over how well the gray wolf is fitting in at Yellowstone. Elk, deer, and coyote...
Here is how the scale breaks down, according to the National Hurricane Center, starting with a look at the most powerful: Category 5 Sustained wind speed of157 mph or higher "Catastrophic damage will occur:A high percentage of framed homes will be destroyed, with total roof failure and wall...
What is the wave speed?Waves:Waves are disturbances which travel through matter or space and are capable of moving energy without moving matter. The most significant types of waves are electromagnetic waves such as light and X rays.Answer and Explanation: ...