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

游客2023-12-24  20

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