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【多选题】
下列说法正确的是:
A.
background-color属性来设置网页元素的背景颜色
B.
background-color属性中颜色的取值可以是颜色值(如red、blue等)、十六进制#RRGGBB或RGB代码rgb(r,g,b)
C.
网页背景不仅可以是颜色,也可以是图片
D.
CSS中通过background-image属性设置背景图像。
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皮皮学刷刷变学霸
举一反三
【多选题】危及企业生存和发展的财务问题是
A.
亏损
B.
资金周转困难
C.
资不抵债 , 无力偿还债务
D.
销售成本增加
【单选题】As shown in the figure, the lengths of the cantilever beam and the simply supported beam are the same. For the Fs diagrams and M diagrams of the two beams, which of the following statements is true?
A.
Both Fs and M diagrams of the two beams are the same.
B.
Both Fs and M diagrams of the two beams are different.
C.
Fs diagrams of the two are the same, M diagrams are different.
D.
Fs diagrams of the two are different, M diagrams are the same.
【多选题】危及企业生存和发展的财务问题是( )。
A.
亏损
B.
资金周转困难
C.
资不低债,无力偿还债务
D.
销售成本增加
【多选题】危及企业生存和发展的财务问题是
A.
亏损
B.
资金周转困难
C.
资不低债,无力偿还债务
D.
资本
E.
销售成本增加
【单选题】下列水溶液凝固点最高的为( )。
A.
0.1mol.L-1HAc
B.
0.1mol.L-1CaCl2
C.
0.1mol.L-1NaCl
D.
0.1mol.L-1葡萄糖
【单选题】You ______ your own sandwiches. I have enough for two.
A.
couldn't have brought
B.
mustn't have brought
C.
shouldn' t have brought
D.
needn' t have brought
【多选题】危及企业生存和发展的财务问题是?
A.
亏损
B.
资金周转困难
C.
资不抵债,无力偿还
D.
资本
【多选题】危及企业生存和发展的财务问题是( )。
A.
亏损
B.
资金周转困难
C.
资不抵债、无力偿还债务
D.
资本少
E.
销售成本增加
【单选题】You ______ your own sandwiches. I have enough for two.
A.
couldn't have brought
B.
shouldn't have brought
C.
mustn't have brought
D.
needn't have brought
【单选题】The material and cross-section of the two beams are the same (as shown in the figure), then the ratio of the maximum deflection of the two beams ( y a : y b ) is .
A.
1
B.
1/4
C.
1/8
D.
1/16
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