Kansas and Iowa, rich in wind resources, can provide more electricity than other states.

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问题 Kansas and Iowa, rich in wind resources, can provide more electricity than other states.
  
If that sounds ambitious, consider that the country has installed some 50, 000 wind turbines on land over the past two decades. They now supply roughly 5 percent of the nation’s electric power, a figure that reaches double digits in particularly windy states like Kansas and Iowa.
The death rate from heart disease stood at 167.1 in 2015, up from 166. 7 in 2014, though the rise was not statistically significant. It was the first time since 1993 that the rate did not decline, Dr. Anderson said.

选项 A、正确
B、错误

答案A

解析 本题的陈述是对两句话的综合概括。第一句话告诉我们心脏病的死亡率增长不大;第二句告诉我们从1993年至今一直在增长。
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