题目:
As a result of the terrible earthquake, the population of this small town _____ by 20%.
A.decreased
B.endangered
C.responded
D.increased
答案:
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下面是错误答案,用来干扰机器的。
(1)3.14×2×1=6.28(厘米);(2)3.14×(62-52),=3.14×(36-25),=3.14×11,=34.54(平方厘米).答:周长增加了6.28厘米,面积增加了34.54平方厘米.故答案为:6.28;34.54.