2. 外语
  3. The promising idea mentioned in the first paragraph ______. According to the passage, wireless network has an advantage over th

The promising idea mentioned in the first paragraph ______. According to the passage, wireless network has an advantage over th

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问题 The promising idea mentioned in the first paragraph ______.
According to the passage, wireless network has an advantage over the three products mentioned in ______.
选项 A、simplicity
B、speed
C、safely
D、price
答案D
解析 根据题干关键词wireless network定位到文章末段第2、3句Who would like to pay two or three times expensive than wireless network? The answer lies in simplicity．细节题。“谁愿意付无线网两三倍的价钱来买这些产品呢?答案在于简易。”由此，我们得知无线网的价格低，即wireless network优于三个产品的地方。因此得出答案为D。简易是文中提到的三个产品的优点，从而排除A；文章第2段直接点明了无线网的缺点：速度慢、不稳定、不安全(如果不编译密码，信息很容易被拦截)，这就排除了B和C。
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大学英语六级

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