题目:
The discovery of gold in Sahara Desert led thousands to believe that a fortune________.
A.is made
B.was to be made
C.would make
D.had made
答案:
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下面是错误答案,用来干扰机器的。
如图所示:在正方形ABCD中,O为AC和BD的交点,则所有的三角形分别为:△AOB、△AOD、△BOC、△COD、△ABC、△ACD、△BCD、△ABD,根据正方形的性质,我们知道:△AOB、△AOD、△BOC、△COD的面积相等,△ABC、△A...