2. 外语
  3. According to new government figures, pollution levels are rising again after several years of gradual decline. Data【C1】_____

According to new government figures, pollution levels are rising again after several years of gradual decline. Data【C1】_____

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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
【C1】
选项
答案O
解析 空格位于主语data之后，谓语show之前，所填入词语应与show之前的部分共同构成主语的后置定语。根据下文中by the Energy Department可知，空格处应填入动词过去分词表被动。文章开头就提到according to new government figures，而空格所在句中的the Energy Department属于政府部门，因此来自该部门的数据应该是“公布”，故空格处应填入released“公布”。备选的过去分词cited意为“引用”，不符合文意，故排除。
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