托福｜写作TPO40独立题目+综合文本.pdf

?在托福写作练习过程中，相信TPO材料中的作文题目都会是大家的首选练习材料。小编给
考生们带来了托福写作TPO40，希望可以帮助广大托福考生轻松备考托福。

托福TPO40综合写作文本

TASK1IntegratedWriting

Manyscientistsbelieveitwouldbepossibletomaintainapermanenthuman

presenceonMarsortheMoon.Ontheotherhand,conditionsonVenusareso

extremeandinhospitablethatmaintainingahumanpresencetherewouldbe

impossible

First,atmosphericpressureatVenus’surfaceisatleast90timesgreater

thanthepressureatEarth’ssurfaceThismeansthataforceof100kilogramsis

pressingdownoneverysquarecentimeterofsurfaceAllspacecraftthathave

landedonVenushavebeencrushedbythisextremepressurewithinanhourof

landing.AlmostanythinghumansmightlandonVenuswouldbecrushedas

well.

Second,asfarasweknow,therearenoreservoirsofwateronVenus'

surface,andtheplanetsatmosphere,madeupmostlyofcarbondioxide,

nitrogen,andsulfuricacid,containshardlyanyoxygenorwatervaporWaterand

oxygenwouldthereforeprobablyhavetobesuppliedtoVenusfromEarth.The

ideaofensuringaregularsupplyofwaterandoxygenfromEarthisimpractical

intheextremeandwouldprobablydefeatthepurposeofestablishingapermanent

stationonVenus.

Third,verylittlesunlightreachestheplanetssurface.About60percent

ofthesunlightthathitsVenusisreflectedbackintospacebythethickclouds

thatfilltheatmosphere,whichmeansthatonly40percentofthesunlightcan

getthroughthecloudsBelowthesecloudsisadenselayerofcarbondioxide,

whichblocksevenmorelight,soverylittlelightreachesthesurface.Thelack

oflightwouldpreventtheuseofsolarpowercells,sohumanscouldnotget

electricitytopowertheirmachinesandequipment.

Directions

Youhave20minutestoplanandwriteyourresponse.Yourresponsewillbe

judgedonthebasisofthequalityofyourwritingandonhowwellyourresponse

presentsthepointsinthelectureandtheirrelationshiptothereading

passage.Typically,aneffectiveresponsewillbe150to225words.

EssayTopic

Summarizethepointsmadeinthelecture,beingsuretoexplainhowthe

proposaldiscussedinthelecturewouldsolvethespecificchallengesdescribed

inthereadingpassage.

托福TPO40独立写作题目

TASK2IndependentWriting

Directions

Read