[語文] 請教一題曼哈頓CR
Wide dissemination of wireless networks in cities is a practical way to meet
the needs of city households, schools and businesses. Rural communities have
found that wireless networks are both more reliable and cheaper than
land-based networks.
A. Urban areas do not pose additional problems for the effective operation of
wireless networks.
B. Wireless networks work far better where population density is low.
C. Iceland, a very rural country, successfully uses wireless networks.
D. The expenses of wireless transmission in areas with large buildings is much
higher.
E. Poor neighborhoods have less access to cable internet than do educators or
businesses.
ANS: A
解答說: The argument claims that wide dissemination of wireless access is now
a practical way to meet urban needs, based on the evidence of its
successful use in rural areas. The author then must assume that urban
areas provide no additional problems for wireless use.
可以理解其他的錯誤,想問為何author需要那種assumption?
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