第4题: [单项选择]Obviously, the Chairman’’s remarks at the conference were_________and not planned. A. substantial B. spontaneous C. simultaneous D. synthetic 参考答案:B 答案解析:本题译文:很显然,主席在大会上的讲话是即兴的,而不是提前计划好的。spontaneous“自发的,自然的,即兴的”,符合题意;substantial“实质的,真实的”:simultaneous“同时发
第23题: [单项选择]______ you've tried it, you can't imagine how pleasant it is. A. Unless B. Because C. Although D. When 参考答案:A 答案解析:[考点] unless引导条件状语从句
[解析] unless引导条件状语从句,表示“如果不,除非”。根据主句的意思可判断出选用unless。because引导原因状语从句,意为“因为”,两句