我找的错误里有遗漏或多余的吗?谢谢
The following appeared as part of an article in a magazine devoted to regional life:
"Corporations should look to the city of Helios when seeing new business opportunities or a new location. Even in the recent recession, Helios's unemployment rate was lower than the regional average. It is the industrial center of the region, and historically it has provided more than its share of the region's manufacturing jobs. In addition, Helios is attempting to expand its economic base by attracting companies that focus on research and development of innovative technologies."
Discuss how well reasoned ... etc.
下面是我找的错误:
1.失业率降低和新商机没有因果关系
2.工业发达不适合吸引高科技
3.即便吸引高科技,也不能证明扩张经济
解答:
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sysadmin
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【请May老师回答】这题鸡精提供的答案是D 可是我觉得第二个条件不能得出呢 假设n三次方是x平方 除以n平方 是可以得到x/ n 平方 但是x/n 不一定是整数呀?