第34题: [单项选择]All things (had) been canceled (because) of the snowstorm, many passengers could do (nothing) but (take) the train. A. had B. because C. nothing D. take 参考答案:A 答案解析:本题中已有谓语动词could do,所以逗号前半部分应用非谓语动词形式,非谓语动词与逻辑主语all things之间是主动关系,用现在分词形式,所以应改为having been canceled。
第35题: [多项选择]诊断肠热症有价值的肥达反应结果为() A. TO1:160,TH1:320,PA1:40,PB1:40 B. TO1:40,TH1:80,PA1:20,PB1:40 C. TO1:40,TH1:80,PA1:40,PB1:40 D. TO1:160,TH1:80,PA1:40,PB1:40 E. 第一周:TO1:40,TH1:60,PA1:40,PB1:40;第二周:TO1:160,TH1:320,PA1:40,PB1:40 参考答案:A, D, E