第5题: [单项选择]The earthquake happened in______. A. late 1960s B. the late of 1960s C. late of 1960s D. late of the 1960s 参考答案:B 答案解析:本题考查固定搭配。in the 1960s“在20世纪60年代”，如in the 1890s“在19世纪90年代”，年份后面加s，表示几世纪几年代；late“晚期”，in the late of表示“
第20题: [多项选择]Questions 9-13 Complete the sentences below with NO MORE THAN THREE WORDS OR A NUMBER from the passage. The competition in the smart-phone market is not only about individual products, but ______and______. 参考答案:entire platforms, operating systems
第21题: [单项选择]主风机设置的保护有（）。 A. 轴承温度高报警并停车 B. 轴承温度超高自动停车 C. 冷却水停时的自动停车 参考答案:B
