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Questions16to18arebasedonthepassageyouhavejustheard.16.A)HowspaceresearchbenefitspeopleonEarth.B)WhentheInternationalSpaceStationwasbuilt.C)Howmanyspaceshuttlemissionstherewillbe.D) WhenAmerica'searliestspaceprogramstarted.17.A) TheytriedtomakebestuseofthelatesttechnologyB)Theytriedtomeetastronauts'specificrequirements.C) Theydevelopedobjectsforastronautstouseinouterspace.D) Theyaccuratelycalculatedthespeedoftheorbitingshuttles.18.A)Theyareexpensivetomake.B)Theyareextremelyaccurate.C)Theywerefirstmadeinspace.D)Theywereinventedinthe1970s.

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Questions19to21arebasedonthepassageyouhavejustheard.19.A)Everythingwasnaturalandgenuinethen.B)Peoplehadplentyoflandtocultivatethen.C) Itmarkedthebeginningofsomethingnew.D)ItwaswhenherancestorscametoAmerica.20.A)Theywereknowntobecreative.B)Theyenjoyedlivingalifeofease.C)Theyhadallkindsofentertainment.D)Theybelievedinworkingforgoals.21.A)Chattingwithherancestors.B) Doingneedleworkbythefire.C)Furnishinghercountryhouse.D)Polishingallthesilverwork.

有以下程序#includevoid f(int p){ p=p+2;printf(“%d,”,p);}main(){ int a[5]={1,2,3,4,5}; int r = a;f(r);printf(“%d\n”,r);}程序运行后的输出结果

A. 1，3
B. 3，1
C. 1，4
D. 4，1

在使用G41或G42指令的程序段中不用（）指令。

A. G00或G01
B. G02或G03
C. G01或G03
D. G01或G02

某企业生产和銷售甲产品2013年4月初在产品成本为3.5万元，4 月份发生如下費用:生产耗用材料6万元，生产工人工资2万元，行政管理部冂人員エ資1.5万元，制造費用1万元，月末在产品成本3万元，该企业4月分完エ甲产品的生产成本为()万元。

A. 11
B. 9.5
C. 9
D. 12.5