Seventy－five to 90% of all adults suffer adverse health effects from stress.A．YB．NC．NG
自考英语
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Seventy-five to 90% of all adults suffer adverse health effects from stress.
A．Y
B．N
C．NG
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正确答案：B
解析：在文章的“How does stress affect health?”一段中指出“Forty-three percent of all adults suffer adverse health effects from stress”：“43%的成年人遭受到由于压力所带来的健康方面的不利的影响”。下文中虽然也提到“seventy-five to 90%”，但是指“医生诊所的病例中有 75%到90%是与压力有关的烦恼以及抱怨”。故答案为No。