精校word版答案全---2019届黑龙江省鹤岗市第一中学高一12月月考英语试题

《精校word版答案全---2019届黑龙江省鹤岗市第一中学高一12月月考英语试题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2018-2019学年黑龙江省鹤岗市第一中学高一12月月考英语试题第一部分：阅读理解（共两节，40分）第一节（共15小题；每小题2分，共30分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。AItiseasiertofloatintheoceanthanitistofloatinaswimmingpool.Doyouknowwhy?Oceanwaterisfullofsalt—andsaltwatercanholdupmoreweightthanfreshwater.Seeforyoursel

2、f!YouWillNeed:●3cupsofwarmwater●Measuringcup(量杯)●Wide-mouthedjar●Salt●Spoon ●Raw(生的)potatoYouWillDo:1.Pour1.5cupsofwarmwaterintothejar.2.Add1/3cupofsalt.3.Stir(搅拌)untilthesaltiscompletelydissolved.4.Addanother1.5cupsofwater.Pouritslowlyoverthebackofthespoonintothejarsoth

3、atthetwoliquidswillnotmixtogether. 5. Gently placethepotatointothejar.Donotdropit.WhatWillHappen:Thepotatowillsink—butonlyhalfway!Why?Saltwaterisheavierthanfreshwater,soitwillstayonthebottom.Thefreshwaterwillremainontop.Thepotatoisheavierthanthefreshwater,butitislightert

4、hanthesaltwater.Thatiswhythepotatowillsinkhalfwaydown.1.Intheexperiment,whatshouldyoudorightafteryoupourthewateroverthespoon?A．Addthesalttothewater.                B．Stirthesaltintothewater.C．Placethepotatointhejar.                D．Pourwarmwaterintothejar.2.InStep4ofthe

5、experiment,whydoyoupourthewateroverthespoon“slowly”?A．Itiseasiertoseewhatyouaredoing.B．Itpushesthefreshwatertothebottom.C．Itwillkeepthewaterfromcomingout.D．Itwillkeeptheliquidsfrommixingtogether.3.Inwhichstepoftheexperimentdoyouaddthesalt?A．Step1           B．Step2       

6、    C．Step3           D．Step4BCandogsandcatsgetalongwellinthesamehome?Peoplewhoarethinkingaboutgettingadogasafriendfortheircatareworriedthattheywillfight.Arecentresearchhasfoundthatifthecatistakenbackhomebeforethedog,andiftheyareintroducedwhenstillyoung(lessthan6monthsfo

7、rcats,ayearfordogs),itishighlyprobablethatthetwopetswillgetalong swimmingly.Intwo-thirdsofthehomescatsanddogshaveagoodrelationship. However,itwasn’tallsweetnessandlight.Therewasareportedcoldnessbetweenthecatanddogin25%ofthehomes,whileaggression(侵略，好斗)andfightingwerefound

8、in10%ofthehomes.Onereasonforthisisprobablythatsomeoftheirbodylanguagesarejustdifferent.Forexample,whena