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【单选题】
下列选项中能够实现div图层向右浮动的是()A.
float:right;
B.
float:left;
C.
float:none;
D.
clear:both;
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反馈参考答案：
举一反三
【单选题】二维数组A的每个元素是由10个字符组成的串,其行下标i=0,1,...,8,列下标j=1,2,...,10。若A按行先存储,元素A[8,5]的起始地址与当A按列先存储时的元素( )的起始地址相同。设每个字符占一个字节。
A.
A[3,10]
B.
A[8,5]
C.
A[5,8]
D.
A[0,9]
【单选题】The Ricardian model of international trade demonstrates that trade can be mutually beneficial. Why, then, do governments restrict imports of some goods?
A.
Trade can have significant harmful effects on some segments of a country's economy.
B.
The Ricardian model is often incorrect in its prediction that trade can be mutually beneficial.
C.
Import restrictions are the result of trade wars between hostile countries.
D.
Imports are only restricted when foreign-made goods do not meet domestic standards of quality.
E.
Restrictions on imports can have significant beneficial effects on domestic consumers.
【简答题】E37 — E44 (一)(二)(三)(四)(五)
【简答题】要获得数组的上界通过____函数,要获得列表框 L ist 数组的元素个数通过____属性。
【单选题】二维数组A的每个元素是由10个字符组成的串,其行下标i=0,1,...,8,列下标j=1,2,...,10。若A按行先存储,元素A[8,5]的起始地址与当A按列先存储时的元素( )的起始地址相同。设每个字符占一个字节 。
A.
A[3,10]
B.
A[5,8]
C.
A[4,10];
D.
A[8,4]
【单选题】二维数组A的每个元素是由10个字符组成的串,行下标的范围从0~8,列下标的范围是从0~9,则存放A至少需要( )个字节,A的第4列和第5行共占( )个字节,
A.
90,18
B.
900,180
C.
900,190
【单选题】二维数组 A 的每个元素是由 10个字符组成的串,其行下标 i=0,1, ... ,8, 列下标 j=1,2, ... ,10 。若 A 按行先存储,元素 A[8,5] 的起始地址与当 A 按列先存储时的元素( )的起始地址相同。设每个字符占一个字节。
A.
A[8,5]
B.
A[3,10]
C.
A[ 3 , 7 ]
D.
A[ 8 , 3 ]
【单选题】The Ricardian model of international trade demonstrates that trade can be mutually beneficial. Why, then, do governments restrict imports of some goods?
A.
Imports are only restricted when foreign - made goods do not meet domestic standards of quality.
B.
Import restrictions are the result of trade wars between hostile countries.
C.
Trade can have substantial effects on a country's distribution of income.
D.
The Ricardian model is often incorrect in its prediction that trade can be mutually beneficial.
E.
Restrictions on imports are intended to benefit domestic consumers.
【简答题】如图所示,为尽量减少 A 、 B 两个温度不同的固体表面间的辐射传热,可以采取的措施是 ________________________ 。
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