阅读理解

Theweatherisgettinghotter．Youarethirstyafterplayingbasketballorridinghomefromschool．Acolddrinkmaybejustthething．Butbecarefulwhatyouaredrinking．Somethingthatlookscoolmaynotbegoodforyourhealth．

Thereareplentyof“energydrinks”onthemarket．Mostofthemhavebeautifulcolorsandcoolnames．Thelistsonthemtellyoutheyarehelpfultoyourhealth．Soundsgreat!

Butafteracarefulcheckyoumayfindthatmostenergydrinkshavelotsofcaffeine(咖啡因)inthem．Thesedrinksareespeciallyaimedat(针对)youngpeople．Makerssometimessaytheirdrinksmakeyoubetteratsportsandcankeepyouawake．Butbecarefulnottodrinktoomuch．

Caffeinemakesyourheartbeatfast．Becauseofthis,theInternationalOlympicCommitteehaslimited(限制)itsuse．Caffeineinmostenergydrinksisatleastasstrongasthatinacupofcoffeeortea．Possiblehealthdangershavesomethingtodowithenergydrinks．Justoneboxofenergydrinkcanmakeyounervous,havedifficultysleepingandcanevencauseheartproblems．Scientistssaythatteenagersshouldbediscouragedfromtakingdrinkswithalotofcaffeineinthem．

(1)

ManypeoplelikedrinkingenergydrinksbecauseofthefollowingEXCEPTthatenergydrinks________．

[]

A．

havebeautifulcolorsandcoolnames

B．

havealotofcaffeineinthem

C．

cankeepthemawakeandbetteratsports

D．

aresaidtobehelpfultohealth

(2)

Themainreasonforpeoplenottodrinktoomuchenergydrinksisthattheymaycause________．

[]

A．

toothache

B．

nervousness

C．

difficultysleeping

D．

heartproblems

(3)

Theunderlinedword“discouraged”canbereplaced(替换)with“________”．

[]

A．

allowed

B．

stopped

C．

helped