第5题: [单项选择]She remembered several occasions in the past_________she had experienced a similar feeling. A. which B. before C. that D. when 参考答案:D 答案解析:本题译文:她记得过去几种场合上也有过相似的感觉。该题选when,相当于on which,在定语从句中作状语。因为谓语experienced的宾语是a similar feeling,所以先行词不可以用
第6题:[单选题](B757)L CSEU电源来自 A.L AC BUS & STBY DC BUS B.L AC BUS & R DC BUS C.STBY AC BUS & L DC BUS D.STBYAC BUS & STBY DC BUS 参考答案:D