大学英语四级考试模拟题_12_new

《大学英语四级考试模拟题_12_new》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、笤考试专栏笤大学英语四级考试模拟题（12）哈尔滨工业大学孙盛萍哈尔滨理工大学林意新PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteashortessayentitledIsattendingcollegeuseless?Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese:1.随着高校毕业生就业率下降，社会上“读书无用论”开始抬头；2.部分学生放弃高考的原因；3.我个人的

2、看法。PartIIReadingComprehension(SkimmingandScanning)(15minutes)Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA,B,CandD.Forquestions8-10,completethesentenceswiththein

3、formationgiveninthepassage.LetItSnow1Snowisasubjectofgreatinteresttoweatherexperts.Expertssometimeshavedifficultyestimatingwhere,whenorhowmuchsnowwillfall.Onereasonisthatheavyamountsofsnowfallinsurprisinglysmallareas.Anotherreasonisthatasmallchangeintemperaturecanmeanthedifferen

4、cebetweensnowandrain.2Snowisaformoffrozenwater.Itcontainsmanygroupsoftinyiceparticlescalledsnowcrystals.Thesecrystalsgrowfromwaterparticlesincoldclouds.Theyusuallygrowaroundapieceofdust.Allsnowcrystalshavesixsides,buttheygrowindifferentshapes.Theshapedependsmainlyonthetemperatur

5、eandwaterlevelsintheair.3Snowcrystalsgrowinoneoftwodesigns—platelikeandcolumnar.Platelikecrystalsareflat.TheyformwhentheairtemperatureisaboutfifteendegreesbelowzeroCelsius.Columnarsnowcrystalslooklikesticksofice.Theyformwhenthetemperatureisaboutfivedegreesbelowzero.Theshapeofasn

6、owcrystalmaychangefromoneformtoanotherasthecrystalpassesthroughlevelsofairwithdifferenttemperatures.Whenmeltingsnowcrystalsorraindropsfallthroughverycoldair,theyfreezetoformsmallparticlesofice,calledsleet.Groupsoffrozenwaterdropletsarecalledsnowpellets.Undersomeconditions,thesep

7、articlesmaygrowlargerandformsolidpiecesofice,orhail.Whensnowcrystals10sticktogether,theyproducesnowflakes.Snowflakescomeindifferentsizes.Asmanyasone.010CCollegollegeEnglisheEnglish292笤考试专栏笤hundredcrystalsmayjointogethertoformasnowflakelargerthantwoandone-halfcen-timeters.Underso

8、meconditions,snowflakescanformthatarefivecentim