【完形填空ItisinterestinghowNASA(美国航空航天管理局)chosetheirastronauts(宇航员)forlandingthemonthemoon.Theychosemen1theageoftwentyandthirty－five.Therewereaboutfiftyofthem.Manywer】

　　完形填空

　　ItisinterestinghowNASA(美国航空航天管理局)chosetheirastronauts(宇航员)forlandingthemonthemoon.Theychosemen1theageoftwentyandthirty－five.Therewereaboutfiftyofthem.Manywere2airpilots.3werescientistswithtwoorthreedegrees.NASAtelephonedeachmantheyweregoingtochoose;toldhimtheplansandthe4theymightgetin.Theythenaskedhimifhewaswillingtobetrainedasanastronaut.“Howcouldanyman5suchanexcitingjob?”Oneofthemsaid“Dangerous?Ofcourseit'sdangerous6mostexciting!”

　　Thehealthandphysicalconditionof7wasofcourseverynecessary.81thoseinverygoodhealthandphysicalconditionwerechosen.

　　Whilebeingtrainedtobeastronautstheywentthroughmany9.Theystudiedthestarsandthemoonandtheyalsostudiedgeologythescienceofrocks.Thiswasnecessary10astronautswouldhavetolookforrocksonthemoon.Theywouldtrytofindrockswhichmighthelptotellthe11ofthemoon.Theywereall12toflyinhelicopters.Thesehelicopterslanded13downtogivethemsomeexperienceofthewaythespaceshipwould14landonthemoon.Theywerealsotaughtallthe15factsabouttheconditionsin.Theylearntallthetechnicaldetailsofthespaceshipsandrockets.Theyvisitedthescientistsandengineerswho16them.Theyvisitedthefactorieswheretheywere17.Theylearnthowevery18ofaspaceshipanditsinstrumentswork.Theyalsolearnteverydetailofground－control19.

　　Inawordtobechosenasanastronautonemustbeingoodhealth20inscienceandgoodatpiloting.

　　1．

　　[]

　　A．at

　　B．between

　　C．of

　　D．on

　　2．

　　[]

　　A．experienced

　　B．old

　　C．trained

　　D．young

　　3．

　　[]

　　A．None

　　B．Few

　　C．Others

　　D．They

　　4．

　　[]

　　A．dangers

　　B．sadness

　　C．hardship

　　D．troubles

　　5．

　　[]

　　A．accept

　　B．receive

　　C．offer

　　D．refuse

　　6．

　　[]

　　A．but

　　B．if

　　C．though

　　D．however

　　7．

　　[]

　　A．thescientists

　　B．men

　　C．pilots

　　D．youngpeop