A. medical B. so C. considered A. Several hot days are【T7】______a heat wave. B.【T8】______does extreme heat. C. cause ser

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问题 A. medical     B. so     C. considered
A. Several hot days are【T7】______a heat wave.
B.【T8】______does extreme heat.
C. cause serious【T9】______problems
    Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot, it can【T10】______—even death. Floods, storms, volcano eruptions and other natural disasters kill thousands of people every year.【T11】______. Experts say heat may be nature’s deadliest killer. Recently, extreme heat was blamed for killing more than one hundred people in India. It is reported that the total heat of a hot day or several days can affect health.【T12】______. Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body.
【T12】

选项 A、 
B、 
C、 

答案A

解析 空后面的句子说到heat waves,而的A选项中也出现heat wave,说明这两个句子意思上有联系。空后面的句子是对“heat wave”下定义,为下一句的展开作了铺垫。故A是答案。
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