【单选题】The United States was the country where__________. 查看材料
A.
in the development of air transportation
B.
the earliest passenger flights were successfully operated
C.
to make travel easy and pleasant for the passengers
D.
to provide different services
E.
the shortage of qualified pilots
F.
traveling by air was very cheap
【单选题】In international investment, the foreign country where the investor operates is called .
【简答题】根据下列选项,回答 123~125 题: 第 123 题 性发育迟缓定义( )
【简答题】经常储备定额是指前后两批物资进厂的__________内,为保证生产正常进行所必需的储备量。
【单选题】设有定义: char *a[2]={"ABC","123"}; 则以下说法正确的是:
B.
a是指针变量,它指向含有两个数组元素的字符型一维数组
C.
a数组两个元素的值分别是"ABC"和"123"
【单选题】下列语句中不是死循环的是_________。
A.
inti=10;while(1){i--;if(i==1)break;}
B.
for(inti=1:i<10;i++){i--;}< /div>
C.
inti=0;Do{i++;}while(i>=0)
【单选题】设有定义语句“char s[]='123';”,则表达式“s[3]”的值是 ( )