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【单选题】
将惰性气体充填到油舱内的最终效果是能使得舱内惰化,即体积含氧量不超过:A.
5%
B.
7%
C.
8%
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】程序填空 while(low<=high) { ______________ if(date[mid]==x) {printf("%d 是数组中的第%d个数\n",x,mid);break;} else if(date[mid]
A.
mid=(low+high)/2;
B.
mid=high/2;
C.
low=mid+high;
D.
mid=low%2;
【单选题】This kind of machines were made ______. [ ]
A.
in the 1950s
B.
in the 1950
C.
in 1950s
D.
in 1950's
【单选题】In the mid-1950s, Leontief discovered that:
A.
the capital to labor ratio was lower for American imports than exports.
B.
a representative basket of American imports embodied more labor and less capital than one of American exports.
C.
US exports were more labor-intensive than its import-competing goods.
D.
U.S. imports were labor-intensive.
【判断题】In many schools we employ computers for schoolchildren to learn how to use them.5．In many schools we employ computers for schoolchildren to learn how to use them.
A.
正确
B.
错误
相关题目：
【单选题】程序填空 while(low<=high) { ______________ if(date[mid]==x) {printf("%d 是数组中的第%d个数\n",x,mid);break;} else if(date[mid]
A.
mid=(low+high)/2;
B.
mid=high/2;
C.
low=mid+high;
D.
mid=low%2;