was,is,was 第一空和第二空,“weight” 是名词,“weigh” 是动词,问体重常用句型 “How much does sb. weigh?”,主语 “your brother” 是第三人称单数,所以借助助动词 “does”,后面的动词用原形 “weigh”。 第三空,“three months ago”(三个月前)表明时态是一般过去时,主语 “He” 是第三人称单数...
解析 He weighs 67 kg. 【解析】【分析】【详解】句意:你的爸爸有多重?根据句中的助动词does,问句是一般现在时,答句也是一般现在时。用67 kg回答,句意为他67千克重,主语为he是第三人称单数,谓语动词也用第三人称单数,weigh的第三人称单数是weighs,故答案为He weighs 67 kg.【点睛】...
How much work is needed to lift a 3-kg mass a distance of 0.75 m? How much work is required to accelerate a 0.145 kg baseball from rest, to a speed of 38.7 m/s? How much work is required to accelerate a 10 kg mass from 0 meter per second to 25 meter per...
M:I like these coats.How much are they? W:40 dollars each, or two for 70 dollars. 5.How much will each one cost if you buy two coats? A.30 dollars. B.35 dollars. C.40 dollars. 第二节 听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳...
( ) --I weigh 50 kg. A. manyB. muchC. tallD. kilograms试题答案 【答案】B 【解析】 略练习册系列答案 超级培优系列答案 超级英语系列答案 晨光全优同步指导训练与检测系列答案 成功宝典系列答案 成功中考系统总复习系列答案 成长记寒假总动员云南科技出版社系列答案 冲刺100分必备必练系列答案 升入重点...
How much does your father weigh? (67 kg) (根据提示回答问题)相关知识点: 试题来源: 解析 He weighs 67 kg. 【分析】 【详解】 句意:你的爸爸有多重?根据句中的助动词does,问句是一般现在时,答句也是一般现在时。用67 kg回答,句意为他67千克重,主语为he是第三人称单数,谓语动词也用第三人称单数,...
— How much does she weigh?—Her is 50 kg. A. weigh B. weight C. weighed D. height 相关知识点: 试题来源: 解析 B 本题考查词义辨析。①句意分析。“—她重多少斤?—她的___是50千克。”②对比选项。A. weigh v.重……,称重;B. weight n.重量、体重;C. weighed v. weigh的过去式...
How much work is required to lift a 70-kg of mass to a height of 2.0 m?Question:How much work is required to lift a 70-kg of mass to a height of 2.0 m?Gravitational Potential Energy:The energy possessed by an object owing to its position in a gravitational field...
How much energy is required to heat 2 kg of steam from 100 degrees Celsius to 115 degrees Celsius?Heat:In determining the heat required to raise the temperature of a given substance, you need to know the value of the specific heat capacity of the substance...
converting it into more familiar units of milligrams per kilogram (mg/kg) gives you a better understanding of how much of the substance in question you have, while still expressing the proportion of the whole. The conversion is thankfully simple: Just multiply the percentage by 10,000 to get...