According to a survey, 93 percent of teenagers have used
题目已知两部分总和为100-5=95 但是93+89两个圈的面积应该加了两遍重叠部分的阴影面积 所以用（93+89） - 95 = 87 就是剩下一个阴影的面积 也就是重叠的面积
- Many Runagian senior citizens are no better off financially now than they were before the increase.The phrase “better off” is closest in meaning to________?
- The word "accidental" is closest in meaning to___________ ?
- Who can it be? I’ m quite ____ a loss to guess．
- The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.
- The word "conspicuous" is closest in meaning to______ ?