任务型阅读。阅读下面的短文,根据短文内容完成表格中所缺信息,每空一词。(10分)Muchofourgoodhealthdependsonthecooperation(协同作用)betweensubstances(物质).Whentheyworktogether,che
任务型阅读。阅读下面的短文,根据短文内容完成表格中所缺信息,每空一词。(10分)
Muchofourgoodhealthdependsonthecooperation(协同作用)betweensubstances(物质).Whentheyworktogether,chemicalreactions(反应)takeplacesmoothly.Bodysystemsarekeptinbalance.Someofthemostimportanthelpersinthejobofgoodhealtharethesubstanceswecallvitamins.
VitaminAisneededtoproducealight–sensitivesubstanceintheeyes.PeoplewhodonotgetenoughvitaminAcan’tseewellinthedark.Thebestsource(来源)ofvitaminAisfishliveroil.Itisalsofoundintheyellowpartofeggs.What’smore,squash,sweetpotatoes,carrotsandotherdarklycoloredfruitsandvegetablescontainsubstancesthatthebodycanchangeintovitaminA.
VitaminB-1isalsocalledthiamine.Itchangesstarchyfoodsintoenergy.Italsohelpstheheartandnervoussystemworksmoothly.Withoutit,wewouldbeweakandwouldnotgrow.Thiamineisfoundnotjustinwholegrainslikebrownrice,butalsoinotherfoods.Theseincludebeansandpeas,nutsandmeatandfish.
VitaminB-12isneededsofolicacidcandoitswork.Together,theyhelpproduceredbloodcells.Withoutthem,apersonsuffersfromanemia(贫血)。VitaminB-12isfoundnaturallyinfoodssuchaseggs,meat,fishandmilkproducts.
VitaminCisnecessaryforstrongbonesandteeth,andforhealthybloodvessels.Italsohelpswoundshealquickly.ThebodystoresverylittleVitaminC.sowemustgetitverydayinfoodssuchascitrus,tomatoesanduncookedcabbage.
Vitamins
Kindsofvitamins
Functions
___1____
Problemscausedbylackof
ofit
VitaminA
Helpingpreventpoor2__
atnight.
Fishliveroil,vegetables
Coloredfruits,etc.
Unableto_3__wellat
night
VitaminB-1
Helpingthedigestive
system,goodforthe
smoothworkOfthe
__4_____and_5____
systems
Wholegrains,beans,
nutsmeatandfish
Poorhealthand
slow_6__
VitaminB-12
Helpingpreventa
__7__dieasease
calledanemia
_8__foodslikeeggs,
meat,fishandmilk
products
Anemia
VitaminC
Amustforstrongbones
andte