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  3. According to new government figures, pollution levels are rising again after

According to new government figures, pollution levels are rising again after

游客2023-07-03  51
问题     According to new government figures, pollution levels are rising again after several years of gradual decline.
    Data【C1】______Friday by the Energy Department show American factories and power plants putting more carbon dioxide into the atmosphere during the first six months of 2014 compared with the same period in each of the past two years. The figures【C2】______a reversal first seen in 2013, when the trend of steadily falling emissions【C3】______halted.
    The higher emissions are primarily a reflection of a【C4】______economy, as American businesses burned more gas and oil to meet higher demand. But the shift also highlights the challenge【C5】______the Obama administration as it seeks to honor a pledge to sharply cut U. S. emissions of greenhouse gases by the end of the decade.
    Administration officials said the【C6】______was not particularly surprising given the improving economy, and some pointed to one of the report’s bright spots: Even as the economy expanded, carbon【C7】______from automobiles have remained essentially flat, as more Americans switched to fuel-efficient cars and trucks.
    Some also cited another【C8】______trend in the report: Big jumps in the use of alternative and renewable【C9】______. Solar, wind and hydropower were up more than 7 percent compared with two years ago, according to the report, and renewable sources now【C10】______for nearly 12 percent of the country’s domestic energy production.
A)abruptly
B)account
C)accumulation
D)cited
E)confirm
F)confronting
G)emissions  
H)encouraging
I)energy
J)gradually
K)identify
L)increase
M)outstanding
N)recovering
O)released [br] 【C8】
选项
答案 H
解析 空格位于宾语核心词trend之前，且前面有another限定，故应填入形容词作定语。上一段说，有些人指出报告中的亮点之一，此处说有些人还引用报告里的另一个趋势，根据上下文的语义呼应可知，该段中的another trend也是报告中的bright spots之一，故空格中应填入与bright语义一致的词encouraging“令人鼓舞的”。备选形容词中，outstanding意为“杰出的，显著的”。“杰出的”一般用来修饰人，“显著的”修饰事物时强调important或obvious，这里encouraging更恰当，故排除。
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