.E 根据上文提到的“One way to do this is with a tool called a calorimeter”可知,E项中的“This tool...”可承接上文。 .B 根据下文的“It was developed by the 19th-century US chemist Wilbur Atwater...”可知,本段介绍的是另一种计量方法,B项可作 为主题句。 A 上文介绍了这位美国化学家...
The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius is called _. A. Heat capacity B. Specific heat C. Thermal energy D. Latent heat 相关知识点: 试题来源: 解析 B。解析:使单位质量的物质温度升高1摄氏度所需的热量称为比热容。“...
①主干:more heat energy is trapped in the atmosphere and causes Earth’s surface temperature to rise quickly. ② When people produce huge amounts of … fossil fuels 时间状语从句 词块积累: huge amounts of … 大量的…… be trapp...
Unlike traditional smoke detectors that sense active fires from the smoke in the air, Shanya’s thermal (热的) imaging device is designed to stop fires from occurring.With a thermal camera and a Raspberry Pi, a tiny com...
The death of Ms.Everard must be a watershed moment in generating the public will to change that reality. Fundamental to this task is an acceptance by men that they must do more to mitigate a climate of insecurity.In an interview on Tuesday, Dr Cosgrave called for a national movement to...
. 课后分层集训 必修五 Unit 3 Science and nature (A 卷) Ⅰ.阅读理解 (2021·昆明高三检测)In a science fiction future,we'll arrive at the hotel in our driverless taxi,check in at the reception desk staffed by androids,and then follow the robot porter (行李员) as it carries ...
was told, is told, 同时还要考虑是否是虚拟语气 1. One of them was a visitor, saying he wouldn’t have been there if he ___(watch) the weather forecast the day before. 注意几个状语从句也决定谓语动词的时态:if(主将从现,虚拟语气),since, Hardly +had...
Which of the following is not a unit of energy? A) joule B) kw-hr C) btu D) kw Energy: Energy is an inherent property of a body that is the measure of the capacity of a body to do work. There are many kinds of energy like heat, light, sounds, mechanical energ...
The scientists look upon the cell as both the structural and functional unit of all life. 科学家们把细胞看作是整个生命的结构单位和功能单位。 The heat that warms a body does not change either the weight of the body or its inertia. 使一物体变暖的热,既不能改变该物体的重量,也不改变其惯性...
沪教版七年级下册Unit6Electricityeverywhere同步练习A篇(含答案)学校:___班级:___姓名:___考号:___一、首字母填空1.Electricitypstreetlampsandlightsinourhomes.2.Wemustn’tflykitesnearplines.3.Solarp___isawaytoproduceelectricityusingsunlight.4.Turningofftheputerwhennotinusehelpsselectricity.5.Duringast...