第13题: [单项选择]______ the English examination I would have gone to the concert last Saturday. A. But for B. As for C. In spite of D. Because of 参考答案:A 答案解析:[分析] but for是复合介词,后接名词或代词,意为“要不是……”,“如果没有”,表示“if it were not for”或“if it had not been for”的意思,要用在虚拟语
第30题: [单项选择]The domestic fresh water pump starters are controlled by pressure switches which operate when the pressure in the tank varies within predetermined limits as water is drawn offThe word “which” means (). A. starters B. pressure switches C. pressure D. water 参考答案:B