[請益] 黃金29篇 Electricity from Wind 第13,14題
(1)
請問像下面這種填句子的類型該怎麼解才對？
Paragraph 1: Since 1980, the use of wind to produce electricity has been growing rapidly.
█In 1994 there were nearly 20,000 wind turbines worldwide, most grouped in clusters called
wind farms that collectively produced 3,000 megawatts of electricity. █Most were in
Denmark (which got 3 percent of its electricity from wind turbines) and California (where
17,000 machines produced 1 percent of the state’s electricity, enough to meet the
residential needs of a city as large as San Francisco). █In principle, all the power
needs of the United States could be provided by exploiting the wind potential of just
three states—North Dakota, South Dakota, and Texas. █
題目要填入的句子是：
Some companies in the power industry are aware of this wider possibility and are
planning sizable wind-farm projects in states other than California.
我選的是 3 ，答案是 4，該怎麼找邏輯才對？
(2)
第14題的第4個選項
The wind energy produced by just a small number of states could supply all of the power needs of the United States.
在第一段就有提到
In principle, all the power needs of the United States could be provided by exploiting the wind potential of just three states—North Dakota, South Dakota, and Texas.
為什麼答案沒有這個選項？
麻煩高手解惑了，謝謝
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