Itisnoteasyfo的精選

問題詳情：閱讀理解；閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。    Itisnoteasyforpeopletosail(航海)aroundtheworldinquitesmallboats.Sometimestheweathergetsbad.Accidentscanhappeneasilyand...