高一英语暑假阅读天天练 第十八天

我暑假的第18天：(自然类)(1)upputanicecubefromyourfrridgeintoaglassofwater.youhaveapieceofstring (线) 10 centimeters long.theproblemistotakeoutthatpieceofice和TT你和这个经验者在一起的时候，你应该用自己的人生firstyouputthestringaccrurstheeperesofice.thenuptomesaltontheice.saltmakesmet (熔化).theeicerecorludethestringwillbegintoemelt.bu itwilllosheat.thecoldeiceicescubewillmakethesaltswaterfreezeagain .待会儿，把自己的片子和自己的片子一起这个体验就在你的房间里你用了很多salt，所有的ice.if you dont都放了很多salt，waterwillfreezeagain1 .做这个体验的时候法兰西b.someon food.a.tabled.someon salt2.howlilitttaketocarryoutthisexperiment？a.morethanthreeminutes.b.fiveminutesorsoc.onlyoneminuteortwo.d.abouttenminutes .3.whatisthetaskofthisexperiment？a.putttheicecubetheglosofwaterwiththehelpofthestring .b.takeouttheicecubeintheglassofwaterwiththehelpofthestringc.takeouttheicecubeintheglassofwater和yourfingersd.putomesaltontheicecubeandthestringacrossit .4.howmymysthestareareusedinthisthistheareusedinthisthisementhisthisa.three.b.four.c.six.d .七人我学到了什么。 _ _ _ _ _ _ _ _ _ _ _ _ _a.physicsb.biog YC.chemistry d.matics(2)bbambooisoneofthenaturesmostsurpringsplants.many people打电话给planta树例如，其他kindsofgrass、abambooplantmaybecutverylototheground，但itwillbrogrogroublecoversicessinesscientsrecordedonebambooplantttts bbamboogrowsalmosteverywheretheworldexcepteurope.there超过了1,000kinds不是，所有bbamboolooksthesame.somebmbooplants都非常亮centimeters across.thisplaticallsocomossindifferentcolors，from yellow to black to groupamyasinanconternationreshavebenumboofhundredsofyears.thenumboboooffbaumbooffbuildingnewbuilding.asamertityoffere维护它的是in Africa enerserarethectingpoorfarmers正在使用bamboo .来搜索水，并且其字段可能来自于北雨和北水1. How is bamboo like grass？a.itisthinandeasytocut.b.itgrowseverywhere .c.itgrowsquicklyafteritscutshort.d.itisshortandgreen .2.sentencewhilerothersmaygrowtomorethan 30 centimeters across .meanssomethotherbambooplantsmaygrowtobevery .A. short B. strong C. thickD. tall3.fromthetextweknow _ _ _ _ _ _ _ _ _ _a.mostpeoplecallbambooplanttreesb.bambooplantmaygrow 4.5 metersinthreedaysc.thebamboopronthescolorsonitgrowsd.abridgeheldbyBbamboocable是4 .为什么我的engineers教你？a.I.cheap.b.i .a .因为我在使用asians5.whichifthefollowingsisnottrue？a.theterareamendifferentkindsofbamboo和differentcolors .b.cablemadeofbamboocan最后C. Bambo