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【判断题】
极限 =0.
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】设区域D由曲线 围成,则
A.
B.
-
C.
2
D.
-2
【单选题】The ratio of 2 quantifies is 5 to 6. If each of the quantities is increased by 15, what is the ratio of these two new quantifies?
A.
5:6
B.
25:27
C.
15:16
D.
20:21
E.
It cannot be determined from the information given.
【多选题】下列哪些属于添加关键帧的必要条件?
A.
必须打开关键帧记录器;
B.
至少要有 两个或两个 以上的关键帧;
C.
关键帧的值要有变化;
D.
时间上要有间距。
【单选题】Magenta Ltd has a current ratio of 1.5, a quick ratio of 0.4 and a positive cash balance. If it purchases inventory on credit, what isthe effect on these ratios?
A.
Current ratio decrease and Quick ratio decrease
B.
Current ratio decrease and Quick ratio increase
C.
Current ratio increase and Quick ratio decrease
D.
Current ratio increase and Quick ratio increase
【单选题】设区域D由曲线 及直线 所围成,则
A.
9/4
B.
7/4
C.
-2.25
D.
-1.75
【简答题】What is the duty ratio? How to calculate the duty ratio?
【简答题】What is the ratio of bronze to gold medals earned by Italy and France combined?
【单选题】设 是由曲线 所围成的平面区域,则
A.
等于零;
B.
符号与 有关,与 无关;
C.
符号与 有关,与 无关;
D.
符号与 , 都有关。
【单选题】If a square and an equilateral triangle have equal perimeters, what is the ratio of the area of the triangle to the area of the square?
A.
B.
C.
D.
E.
【单选题】If 5/9 of the members of the school chorus are boys, what is the ratio of girls to boys in the chorus?
A.
B.
C.
D.
E.
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