选择题:Since 1936, the Incoterms have been revised severa

题目内容:
Since 1936, the Incoterms have been revised several times in order to ___________.( )(本题1.5分)
A、 make corrections
B、 fit the current development of international trade practice
C、 make the parties in international trade be confident in the Incoterms
D、 provide the parties a set of international rules
参考答案:

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【单选题】设A为m×n矩阵, C是n阶可逆矩阵, 矩阵A的秩为r1, 矩阵B = AC的秩为r, 则A、r > r1B、r C、r = r1D、r与r1的关系依

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图像分辨率是指:( )A、屏幕上能够显示的像素数目B、用像素表示的数字化图像的实际大小C、用厘米表示

图像分辨率是指:( )A、屏幕上能够显示的像素数目B、用像素表示的数字化图像的实际大小C、用厘米表示的图像的实际尺寸大小D、图像所包含的颜色数

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