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题目2. Answer the questions. Write the words.What makes ice melt? ___What turns water into steam? ___What form of matter is steam? ___ 相关知识点: 试题来源: 解析 1. Heat or temperature 2. Heat or temperature 3. Gas 冰融化是因为温度升高,使水分子获得足够能量克服相互吸引力,从固态变...
What is causing the ice in polar regions to melt? A. Pollution. B. Deforestation. C. Climate change. D. Hunting. 相关知识点: 试题来源: 解析 C。解析:Climate change is causing the ice to melt at an alarming rate.(气候变化正以惊人的速度导致极地地区的冰融化。)反馈 收藏 ...
三、语法填空阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。What will happen if ice caps melt? The level of the world's occans will rise. 1 this is not the real problem, the problem is that these white ice caps reflect sunlight, much of 2 is reflected back into space,...
8.Whatmakesthecomparisonbetweenself-drivingcarsandhuman-drivencarsunfair? A.Self-drivingcarsnevergettired. B.Statisticsarecollecteddifferently. C.Machinescanmakedecisionsfaster. D.Self-drivingcarsknowtheworldbetter. 9.Whatdoestheunderlinedword”perils”inParagraph3mostprobablymean? A.Dangers. B.Self-driving...
(our two remaining ice sheets today),an ice sheet is actually a huge land of ice from the Ice Age.These sheets,over thousands of years,form by snow changing into ice over the winter,which doesn't entirely melt during the summer.(覆盖南极洲540万平方英里和格陵兰岛65.6万...
B Take an ice cube out of the What happened?Try This1freezer () and put it Fast and slow melting The faster the heat transfers on the plate; write down How long do you think it(传导)to the ice cube,the time.the faster the ice melts.takes an ice cube to melt(融化)? One hour?
Melt To reduce from a solid to a liquid state, as by heat; to liquefy; as, to melt wax, tallow, or lead; to melt ice or snow. Melt To soften, as by a warming or kindly influence; to relax; to render gentle or susceptible to mild influences; sometimes, in a bad sense, to take...
题目The temperature is rising. What will happen to the ice? A. It will melt. B. It will freeze. C. It will stay solid. 相关知识点: 试题来源: 解析 A。解析:当温度上升时,冰会融化。考查对科学现象的理解和一般将来时态。反馈 收藏
Wasand the plate, makestheit more or less time thanice cubes melt.You'll needyou thought?Heat transfes faster fromFour ice cubes ofTake two more cubes andwarm water to thethe same sizewrap(包裹)one in foil Putice than itdoes fromPlatethem in cups and add thewarm air and objectsWatch...