学年人教版必修五Unit 1 Great scientists learning about language课时作业Word下载.docx

学年人教版必修五Unit 1 Great scientists learning about language课时作业Word下载.docx

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4.Asweallknow，woodfloats（float）onwater.

5.Herpuzzled（puzzle）lookonherfacesuggestedshedidn’tunderstandwhatIhadsaid.

6.Sometimeshefounditveryhardtofallasleepatnight，sohewenttoseethedoctor.

7.Lastyear，oneoftheplantsexplodedviolently（violence），andthelocalpeoplegotintoagreatpanic.

8.Newtonwasoneofthegreatestphysicists（physics）intheworldandmanypeopleadmirehimverymuch.

9.Theconversationwascarriedoninaharmoniousandfriendlyatmosphere.

10.Nowthere’sasystemwherethewasteisdisposedofusingtheprinciplesofecology.

Ⅱ.单元知识运用

写作素材（关于恐龙）

1.据说恐龙曾经是地球的主人。

2.恐龙在地球上存活了很长时间。

3.它们通过下蛋来繁衍后代，温暖的气候使它们迅速繁殖。

（bydoing）

4.不幸的是，它们未能阻挡自己的消亡。

5.此后就轮到人类统治这个地球。

（把4、5句合为一个并列句）

连句成篇——根据提示利用本单元所学知识补全短文

11.Itwassaidthatdinosaurswereoncethemastersoftheearth.They12.existedontheearthforalongtime.Theyproducedtheyoung13.bylayingeggsandthe14.warmclimatehelpedthem15.multiplyquickly.Unfortunately，theycouldn’t16.preventthemselvesfromdisappearingandthen17.itistheturnofhumanbeingstocontroltheearth.

Ⅲ.阅读理解

话题：

家庭　难度星级：

☆

（2019·

浙江“超级全能生”联考）

Theburstofbarkingsuddenlywokemeup.Itwas230a.m.intheearlymorning.WonderingwhyRockwasmakingsoloudnoises，Idecidedtogotohim.BythetimeImadeittothebottomofthestairs，hewasrunningup.Ifeltstrange，forhehadnevercomeupthestairs，nomatterwhat.Ithinkthatwashiswayoftellingme，“We’vegottogobackup.”

WhenIgottothetopofthestairs，Iturnedaroundandsawalighton，butIdidn’trememberleavingoneon.Iwalkeddownstairsagain，andthat’swhenIsawfire.Iimmediatelyshoutedtomywifetowakeupandgetourthreekids.Igrabbedaknifeandcutouttheplasticthatcoveredthewindowtotheporchroof.Ithenforcedopenthewindowandkickedoutthescreen.Igoteverybodyoutontheroofandthrewablanketouttheresowewouldn’tslipoff.Itwascold，Januarycold.ThenIstartedscreamingforhelp.Buthelpnevercame.

Iwasscaredofheights，butIcouldn’tletmyfamilyburnup.SoIjustjumpedofftheroofandgotthewindknockedoutofmewhenIlanded.

Ifoundourladder，placeditagainstthehouse，andclimbedbackuptotheroof.Iwrappedmyarmsaroundmydaughterandcarriedmyninemontholdwithmyteeth，byhislittlesleeper.ThenIclimbeddowntheladder.Onceontheground，Ihadmylittlegirlholdherbrother，andIwentbackuptotherooftogetmyotherdaughter.ThenIwentbackupagainandgotmywife.Itriedtogetmydog，buthejustdisappearedintheblacksmoke.IneversawRockaliveagain.

语篇解读　本文主要叙述了凌晨两点半，作者家的狗把他从睡梦中惊醒，以此告诉他，家里着火了，作者忙于帮助家人在大火中逃生而忽略了狗，等到要去解救他的狗时，狗已在火中丧生。

18.WhathappenedtotheauthoroneearlyJanuarymorning?

A.Hisdogwasinjured.

B.Arobberytookplace.

C.Hishousewasonfire.

D.Hiswifedisappeared.

答案　C

解析　细节理解题。

根据第二段中的“Iwalkeddownstairsagain，andthat’swhenIsawfire.”可知那天早上作者家着火了。

19.Thepassageismainlydevelopedby__________.

A.analyzingcauses

B.makingcomparisons

C.givingexamples

D.followingthetimeorder

答案　D

解析　文章结构题。

根据故事的叙述过程可知作者按照起火前，抢救中，以及抢救后的顺序写的，是按时间顺序。

20.Whatisthepassagemainlytalkingabout?

A.MydevotedfriendRock.

B.Sometipsforsurvivingafire.

C.Howthefirebrokeout.

D.Howmyfamilysurvivedafire.

解析　主旨大意题。

通读全文可知，文章第一段介绍了起火前的奇怪现象，第二、三、四段描写了作者发现房子着火后，及时抢救家人的过程，所以本文主要内容为家人火中逃生的经历。

自然　难度星级：

☆☆

重庆巴蜀中学期中）

Scientistshavefoundlivingorganismstrappedincrystals（晶体）thatcouldbe50,000yearsold.

Theorganismswerefoundinahot，butbeautifulcavesysteminNaica，Mexico.Theseancientlifeformscanbeseenonlywithamicroscope.PenelopeBoston，wholeadstheAstrobiologyInstituteatNASA，thespaceagencyoftheUnitedStates，saystheancientmicrobeswereabletolivebyeatingmineralssuchasiron.

ShespokeaboutthediscoveryrecentlyatameetingoftheAmericanAssociationfortheAdvancementofScience.Ifthefindingsareconfirmed，theywillshowhowmicrobescansurviveinextremeconditions.Fortydifferentkindsofmicrobesandsomeviruseswerefoundintheundergroundarea.Thegeneticstructuresoftheseorganismsare10percentdifferentfromthoseoftheirnearestrelatives.

ThecavesinNaicaare800kilometersdeep.Theywereonceusedformininglead.Beforetheminersbeganworkinginthecaves，theareawasseparatedfromthesurfaceandtheoutsideworld.Someofthecavesareasbigasthelargereligiouscenters