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Unit3DiscoveringUsefulStructures综合素养提升练

Ⅰ.完形填空

[2020?湖南衡阳八中期末]Modeminventionshave:speededuppeople’slivesamazingly.Motorcars1ahundredmilesinmorethananhour,aircraftcrosstheworldwithinaday,2computersoperateatlightningspeed.Indeed,thisloveof3seemsnever-ending.Everyyearmotor;carsareproducedwhichgoevenfasterandeachnewcomputerboasts(吹嘘)of4precioustimeinhandlingtasks.

Allthesesavetime,but5acost.Whenweloseorgainhalfadayinspeedingacrosstheworldinanairplane,ourbodiestellusso.Wegettheuncomfortablefeelingknownasjetlag(时差).Ourbodiesfeelthattheyhavebeen6behindinanothertimezone.Again,spendingtoolongat7resultsinpainfulwristsandfingers.Mobilephonesalsohavetheir:dangers.Accordingtosomescientists,toomuchuseofmobilephonesmaytransmit(传送)harmful8intoourbrains,aconsequencewedonotliketothinkabout.

However,howdowe9thetimewehavesaved?Certainlynotrelax,orsoitseems.Wearesousedtoconstantactivitythatwefinditdifficulttositdownanddonothingorevenjustonethingata10.Perhapsthedaysarelonggonewhenwecanlistenquietlytoastoryontheradio,lettingimaginationtakeusintoanotherworld.

Therewasatime11somepeople’slivesweredevotedsimplytothecultivation(耕作)ofthe12orthecareofcattle.Nomulti-tasking(同时处理多项任务)there;theirliveswentonatamuchgentlerpace，andinafamiliarpattern.Thereismuchthatwemightenvyabouta13oflifelikethis.Yetbeforewedoso,wemustthinkofthehardtasksourancestors14.Modernmachineshave15peoplefromthatprimitiveexistence.

1.

A.explore

B.get

C.cover

D.fly

2.

A.when

B.as

C.thus

D.while

3.

A.speed

B.time

C.product

D.distance

4.

A.wasting

B.losing

C.saving

D.spending

5.

A.in

B.at

C.on

D.with

6.

A.left

B.come

C.forg