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【简答题】
阅读程序,写出运行结果的第一行_______。 #include void main( ) { char a[8],temp; int j,k; for(j=0;j<7;j++) a[j]='a'+j; a[7]='\0'; for(j=0;j<3;j++) { temp=a[6]; for(k=6;k>0;k--) a[k]=a[k-1]; a[0]=temp; printf("%s\n",a); } }
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【单选题】设有关系模式销售(顾客号,商品号,销售时间,销售数量),若允许一个顾客在不同时间对同一个产品购买多次,则此关系模式的主码是
A.
顾客号
B.
产品号
C.
(顾客号,商品号)
D.
(顾客号、商品号、销售时间)
【单选题】Jenny __________in the kitchen when you called her at 5 o’clock this afternoon?
A.
is cooking
B.
was cooking
C.
cooks
D.
cooked
【判断题】Eugene O’Neil,Arthur Miller and Tennessee Williams are together called “founders of the American drama.”()
A.
正确
B.
错误
【单选题】目前世界上大多数国家的期货交易所都实行()。
A.
合作制
B.
合伙制
C.
会员制
D.
公司制
【单选题】All the firemen in the city were ______to fight against the big fire.
A.
called in
B.
called off
C.
called up
D.
called on
【单选题】What did scientists think was true?
A.
Each person has a fixed weight range.
B.
Each person has a weight ranged of 9 kg.
C.
Each person wants to control his weight.
D.
Each person wants to eat to his heart’s content.
【单选题】People believe that each person has a rightful(合法的) and protected place in the social order.
A.
LOW
B.
HIGH
【单选题】医院感染暴发是指在某一医疗机构内,短时间发生几例以上同种同源感染病例
A.
7例
B.
6例
C.
5例
D.
4例
E.
3例
【单选题】适用于前牙,既美观强度又好的人工牙是( )
A.
成品塑料牙
B.
瓷牙
C.
金属背牙
D.
金属牙合(舌)面牙
【简答题】汽车采用无回油管的燃油系统主要是为了 油箱温升。
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