When we boil water, it changes from liquid to ___. A. solid B. liquid C. gas D. none of the above 相关知识点: 试题来源: 解析 C。此题考查水的状态变化。当我们煮水时,水从液态变为气态(gas)。选项 A 是固态;选项 B 是液态,不符合变化;选项 D 以上都不对,不正确。反馈...
百度试题 结果1 题目When we boil water, it turns into steam. Steam is ___. A. a gas B. a liquid C. a solid D. nothing 相关知识点: 试题来源: 解析 A。水沸腾变成蒸汽,蒸汽是一种气体。反馈 收藏
The experiment showed that when the temperature rises, the liquid in the test tube will ___. A. boil B. freeze C. evaporate D. solidify 相关知识点: 试题来源: 解析 C。本题考查科普实验中的物理现象。当温度升高时,试管中的液体会蒸发。A 选项“boil”是沸腾,通常需要达到较高温度;B 选项“fre...
根据第一段第一句“Water can be a liquid, a solid or a gas.(水可以是液体,固体或者气体。)”可知,物质的三种形态是“液体,固体、气体”,所以B项正确。 (2)【答案】B 【解析】题干的意思是“当云上升时可能发生什么? .”A.它们上升得越高,就被加热得越多;B.它们上升得越高,就被冷却得越多;C...
A. B. C. 听力材料:2.M:I think the clock is the most useful invention.What about you,Lucy? W:I don't agree.I think the zipper is the most useful invention. (B)2.Which of them does Lucy think is the most useful invention? A. B. C. 听力材料:3.M:Do you know who...
When it is a liquid, you can pour it out ofa bottle. When it is a gas, you cannot see orpr feel it .Water can change from one form to another easily . When we freeze water, it turns intoice. When we boil water, it turns into steam . When ice melts, it turns into water...
1 / 41 2018 年九年级英语全册 Unit 6 When was it invented 第三节 语法填空练习 (新版)人教新目标版 第三节 语法填空 阅读下面短文,写出括号内单词的正确形式或填入适当的内容(不多于 3 个单词),将答 案写在短文后的答题处。 A When we were in England last year,I went fishing w...
When open, the boil may weep oroozeliquid. Once the boil opens, cover it to prevent infection in the open wound. Use an absorbent gauze or pad to prevent the pus from spreading. What are the stages of a boil? At first, the skin turns red in the area of the infection, and a tende...
absencewillbeaccepted. 1.Whereisthistextprobablytakenfrom? A.Atextbook. B.Anexampaper C.Acourseplan. D.Anacademicarticle. 2.How manypartsisastudent?sfinalgrademade upof? A.Two. B.Three. C.Four. D.Five. 3.Whatwillhappenifyousubmitanessayone weekaftertheduedate? A.Youwillreceiveazero. B...
阅读下面短文.然后根据短文内容选择最佳答案. Water can be a liquid, a solid or a gas.When it is a solid, it may be as hard as rock.When it is a liquid, you can pour it out of a bottle.When it is a gas, you cannot see or pr feel it. Water can change f