The distance from the Earth to the Sun is about 150 million kilometers. What is this distance called in astronomy? A. Light-year B. Astronomical Unit C. Parsec D. Kilometer 相关知识点: 试题来源: 解析 B。本题考查天文距离单位的知识。A选项“Light-year”(光年)通常用于表示非常遥远的恒星距离...
Once you know what 1 km is in meters, you can simply multiply1000by the total kilometers you want to calculate. So for our example here we have100kilometers. So all we do is multiply100by1000: 100x1000=100000 What is the best conversion unit for100km?
Luckily, converting most units is very, very simple. In this case, all you need to know is that 1 km² is equal to1000000m². Once you know what 1 km² is in square meters, you can simply multiply1000000by the total square kilometers you want to calculate. ...
A ship sails 450 kilometers in 5 hours. What is its speed? A. 70 km/h B. 80 km/h C. 90 km/h D. 100 km/h 相关知识点: 试题来源: 解析 C。解析:450 千米除以 5 小时等于 90 千米每小时。A 和 B 选项速度过低,D 选项速度计算错误。
结果1 题目A car travels 150 kilometers in 3 hours. What is the speed of the car? A. 40 km/h B. 50 km/h C. 60 km/h D. 70 km/h 相关知识点: 试题来源: 解析 B。速度 = 路程 ÷ 时间,150 ÷ 3 = 50(km/h)。反馈 收藏 ...
百度试题 结果1 题目A plane flies 1500 kilometers in 3 hours. What is the speed of the plane? A. 400 km/h B. 450 km/h C. 500 km/h D. 550 km/h 相关知识点: 试题来源: 解析 C。速度 = 1500 ÷ 3 = 500(km/h)。反馈 收藏 ...
百度试题 结果1 题目—What's the ___ of the high speed train now? —It' s nearly 350 kilometers an hour. A. speed B. energy C. secret D. price 相关知识点: 试题来源: 解析 A 反馈 收藏
one eighty kilometers C. one and eighty kilometers D. one point E. ighty kilometers 相关知识点: 试题来源: 解析 A。解析:1.8 千米的正确表达是 one point eight kilometers。B 选项表达错误;C 选项表达错误;D 选项错误,小数部分只有一位时不用 eighty。反馈 收藏 ...
I.根据句意及首字母提示完成单词。 (10分)1. My house is about 60 square kilometers in size.2. -What's the population of this village? -About one thousand.3. We shoul d try our best to protect animals that are in danger.4. There are many pictures on the wall in my bedroom.5. ...
My hair is getting a bit longer. C Yeah, thanks for coming. D I am working part time in a bookshop, you know. 标准答案:D 3. Would you please show me your bankbook? - ___ (1分) A Sorry, I have no idea. B Here you