—I got sick and tired of hotels and hotel food after the trip to Mexico. —I can imagine. _______. A. Don’t meet trouble half-way B. All’s well that ends well C. East or west, home is the best D. Honesty is the best policy 答案:C下列关于地球的一些数据,正确的是( )A.地球的赤道半径比极半径短21千米B.地球上陆地面积是海洋面积的21%C.地球的赤道周长约4万千米D.地球的表面积是5.1万亿平方千米