单项选择题 In 1995, ______ was America ’s biggest company.A．Exxon B．General Motors C．Wal-MartD．IBM

多项选择题 根据《中华人民共和国国境卫生检疫法》的规定，以下所列入境集装箱、货物等物品，须经检验检疫机构消毒、除鼠、除虫或其他卫生处理，方准入境的有（）。

单项选择题 Which exits suggested in the passage should an airline passenger locate before takeoff?A．The ones at the back of the plane. B．The nearest one. C．The ones that can be found in the dark. D．The two closest to the passenger ’s seat. According to the passage, people have more chances to survive fires in aircraft if they ______.A．ke ep their feet flat on the floor B．keep their heads low C．fasten their seat belts tightly D．read airline safety statistics before takeoff