What is the unit of measurement for astronomical distances? A. Kilometers. B. Meters. C. Light years. D. Miles. 相关知识点: 试题来源: 解析 C。本题考查天文距离的测量单位。听力材料中提到天文距离通常用光年测量。A 选项千米、B 选项米、D 选项英里都不是天文距离的主要测量单位。
The speed of light is about 300 million meters per second. What is the unit of speed? A. meter per second B. kilogram C. newton D. joule 相关知识点: 试题来源: 解析 A。速度的单位是米每秒,meter per second;B 选项 kilogram 是千克,质量单位;C 选项 newton 是牛顿,力的单位;D 选项 joule...
from Chapter 25 / Lesson 4 188K When using the metric system, it is helpful to know how to convert units from other systems. In this lesson, explore the metric system, how to set up a conversion, and how to calculate those units, with some additional practice. Related...
Looking for online definition of meter or what meter stands for? meter is listed in the World's most authoritative dictionary of abbreviations and acronyms
Unit7What’sthehighestmountainintheworld?SectionA(1a-2d)-Doyouknowitsname?-ItisAmazon.-Doyouknowhow longitis?-It’sabout6,500 Thesecondlongestriverkilometerslong.intheworld Doyouknowhowhighitis?Itis8,844metershigh.Qomolangma Theworld’shighestmountainintheworld.Sahara DoyouknowSaharaisthebiggestdesert...
meters for lengths, seconds for time, kilograms for mass, Kelvins for temperature, The primary advantage of SI units is that it is standardized, and hence communication across the various trades and disciplines of science is facilitated. Confusion is minimized as there is no longer any ambiguity...
adj.:high/long/wide/deep/heavy/tall…..metersfoot-feetincheskilometerskilos=主语+数词+单位词+in+名词 in+n.:inheight/length/width/depth/weight/...How+形容词?What’s+the+名词+ofsth.?知识拓展 Itis...long/wide/high.=Itis...inlength/width/height.Thedeskisthreemetreslong/wide/high.Thedesk...
well-suitedtotravelersofallbudgets.Foodis cheap,soisgettingaroundusingtheminibuses. Youcanfindhostelsandlocalhomestaysforless than$10.Mealscost$4—$8perday. Romania,$33/day IfyouareplanningaEuropeantripthat?saffordableandalittlebitoffthebeatenpath,Romaniais perfect for you.Unlike other popular places...
The Norman Conquest in 1066 brought the French language to Britain and helped English evolve into the English it is today.I: Is there anything else particularly difficult about English?P: Well, the idioms in informal English pose a problem for some students. I: Informal English?P: As with ...
Smart meters offer a free way to keep track of your energy usage and could mean the end of estimated bills. Our guide explains everything you need to know about smart meters.