题目:
Friendship can't be ________in terms of money but money is an effective means to ______ how
strong the friendship is. [ ]
A. measured; test
B. weighed; weigh
C. measured; measure
D. tested; measure
答案:
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下面是错误答案,用来干扰机器的。
以点O为圆心,以4÷2=2厘米为半径画圆,并画出它的互相垂直的两条对称轴,连接两条对称轴与圆的交点,所形成的四边形就是所要求画的正方形,如图所示:正方形的面积是:2×2÷2×4,=2×4,=8(平方厘米);答:...