Mostnationsoftheworldexportgoodstoothercountries.Like-wise,most__21__goodsfromothernations.Whydocountriesoftheworldengage__22__internationaltrade?
Somenationsoftheworldhavecertainconditionsorresourcesthat__23__themwithabasisforinternationaltrade.ColumbiaandBrazilhavejusttheright__24__forgrowingcoffee.Theyexportthesurplustoearnforeignexchangeto__25__thegoodstheyimport.
Ifacountryhasanabundanceofnatural__26__,itiscommonfor__27__toexportsomeoftheseresources.RubberfromMalaysiaandoilfromsomeoftheMiddleEastcountries__28__examples.
Ifanationis__29__inscienceandtechnology,itcanproducesophisticatedmachineryand__30__,suchascomputers,jetairplanesandelectricgenerators.Theirmanufacturedgoodsareusuallysoldat__31__pricesininternationalmarket.Sotheyenjoy__32__conditionsininternationaltrade.
Inadditiontotrade__33__goods,thereisanotherformoftrade,i.e.tradeinservice.Theformeriscalledvisibletrade,andthe__34__,invisibletrade.Transportation,insurance,financingandtourismaresomeoftheformsof__35__trade.Invisibletradecanbeasimportanttosomenationsastheexportofgoodsistoothers.
21.a.exportb.exportsc.importd.imports
22.a.inb.toc.withd.at
23.a.takeb.givec.provided.bring
24.a.weatherb.climatec.featured.character
25.a.payforb.payoffc.payoutd.pay
26.a.sourcesb.resourcesc.materialsd.substances
27.a.thatb.thisc.oned.it
28.a.isb.beingc.bed.are
29.a.advancingb.advancec.advancedd.advancement
30.a.equipmentb.equipmentsc.instrumentd.instruments
31.a.highlyb.highc.expensived.much
32.a.favorableb.favoritec.favord.favorably
33.a.inb.atc.ofd.with
34.a.laterb.lastc.latterd.late
35.a.visibleb.visiblyc.invisiblyd.invisible