What is the new world’s train speed record? A. 361 miles per hour. B. 581 miles per hour. C. 348 miles per hour. D. 518 miles per hour. 相关知识点: 试题来源: 解析 A 正确答案:A解析:数字判断题。答对这道题的关键是要注意数字后面的单位,新闻中出现kilometer及mile两种单位,列车的速度...
When converted to km/s, 75 mph is about 0.34 km/s. To convert miles per hour into kilometers per second we have to multiply by 1.61 as there are... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ...
1 What is the speed now?A. 55 miles per hour.B. 70 miles per hour.C. 105 miles per hour. 2【题文】What is the speed now?A.55 miles per hour.B.70 miles per hour.C.105 miles per hour. 3What is the speed now?A.55 miles per hour.B.70 miles per hour.C.105 miles per ...
—You at least at a speed of about 100 miles per hour. A. arc driving B. drove C. were driving D. have been driving相关知识点: 试题来源: 解析 C 本题考查动词时态的应用。意为:“出什么问题了吗,先生?”“你的车速至少达到了每小时约100英里。”从暗含的意思可推测该车主超速驾驶了,所以...
What’ s the speed now? A. 55 miles per hour. B. 70 miles per hour. C. 105 miles per hour. 相关知识点: 试题来源: 解析 B 正确答案:B 听力原文:W: So what do you think? Do they suit me? M: Well, they are nice jackets, but they make you look fat. W: OK, I will ...
百度试题 结果1 题目—What speed is the train moving ? —120 miles per hour.A. in B. at C. with D. by 相关知识点: 试题来源: 解析 B 句意:— 火车现在的时速是多少?— 每小时120英里。speed at以……的速度,选B。反馈 收藏
What is the speed limit in a school zone? A. 30 miles per hour. B. 50 miles per hour. C. 70 miles per hour. 相关知识点: 试题来源: 解析 A。学校区域的限速通常是 30 英里每小时。B 和 C 选项的速度太快不适合学校区域。反馈 收藏 ...
What is the speed limit in a school zone? A. 20 miles per hour. B. 30 miles per hour. C. 40 miles per hour. 相关知识点: 试题来源: 解析 A。学校区域的限速通常是 20 英里每小时。B 选项 30 英里每小时和 C 选项 40 英里每小时都高于学校区域的通常限速。
The speed of light in avacuumis 2.998 x 108m/sec. What is this speed in miles per hour? Solution To convert this measurement, we need to convert meters to miles and seconds to hours. To do this, we need the following relationships: ...
120 miles per hour.2. Students should develop the___(ability) to solve problems by themselves.3. Nick and Sam enjoy travellingand ___ (discover)some new things together.4. The ___ (express)onher face showed that she was shocked at the news.5. The population of this cityhas __...