【简答题】In November, 2010, the CPI ( consumer price index) went up by 5.1 percent year-on-year(同比). The price grew by 4.9 percent in cities and 5.6 percent in rural areas. The food price went up by 11.7 perce...
【单选题】根据短文的内容回答,下列题目 Some Schooling on Backpacks According to the U.S. Consumer Product Safety Commission.5,900 kids were treated at hospital emergency rooms, clinics, and doctors&39; offices last year for ...