高中英语阅读理解科技类三 (2).doc

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高中英语阅读理解科技类三
Imagine,oneday,gettingoutofbedinBeijingandbeingatyourofficeinShanghaiinonlyacoupleofhours,andthen,afterafulldayofwork,goingbackhometoBeijingandhavingdinnerthere.
Soundsunusual,doesn'tit?Butit'snotthatunrealistic,withthedevelopmentofChina’shigh—’—speedrailwayplan—toconnectthecountrywithSoutheastAsia,andeventuallyEasternEurope.
Chinaisnegotiatingtoextenditsownhigh·-speedrailwaynetworktoupto17countriesin10to15years,eventuallyreachingLondonandSingapore.
,.
IfChina’splanforthehigh-speedrailwaygoesforward,peoplecouldzipoverfromLondontoBeijinginundertwodays.
ThenewsystemwouldstillfollowChina’shigh—,almostasfastassomeairplanes.
China’sbullettrain(高速客车),theoneconnectingWuhantoGuangzhou,alreadyhasthe
World’,069kilometersinaboutthreehours.
Ofcourse,,suchassafety,railgauge(轨距),,it’simportanttopayattentiontoeverydetail.

domesticrailwayexpansion.
Chinaprefersthattheothercountriespayinnaturalresourcesratherthanwithcapital
.
It’11beawin-,therailwaynetworkwilldefinitelycreatemoreopportunitiesforbusiness,tourismandsoon,nottomentionthebettercommunicationamongthosecountries.
ForChina,suchaprojectwouldnotonlyconnectitwiththerestofAsiaandbringsomemuch-neededresources,butwouldalsohelpdevelopChina’,millionsofpeoplewillmigratetothewesternregions,-speedtrains,’11tradewithCentralAsianandEasternEuropeancountries.
’snewhigh-speedrailwayplanwillbeawin-winprojectbecause.
-neededresourcesanddevelopitswesternregions


,businessandtourism
,thegreatestchallengetothenewhigh-

’sattitudetowardsChina’shigh-speed
railwayplan?
.
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B
Haveyouevernoticedthecolorofthewaterinariverorstreamafteraheavyrainfall?Whatdoyouthinkcausedthischangeincolor?Itissoilthathasbeenwashedintotheriverfromtheriverbankorfromthenearbyfields.
ComponentsofSoft
Soilismadeupofanumberoflayers(层),,(腐殖质),,oxygen,,.
,wind,frost,,,forexample,wasformedfromweatheredrockthatwasexposedwhentheicedisappearedl2,000yearsago.
WaterBeneaththeSoil
Surfacewatercollectsandflowsabovethegroundinlakes,ponds,,(渗透)..
Aswaterpercolatesdownward,.
SoilpH
Soilcanbeacidic,neutral,
fromwhichitwasformed,andbythenatureoftheplantsthatgrowandrotinit.
,oilandgasoline,,,,andalsobecomeeasilyattackedbydiseases.
.

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.
.
.
.
.


“dissolve”isusedtoexpresstheideathatorganicmatterandmineralsfromsoilare.


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