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课时提升作业(二十三) 选修7 Unit 4 (建议用时25分钟) . 单项填空 1. (2017·盐城模拟)Should it rain tomorrow, we would have to ________ the visit to the Yangpu Bridge. A. suggest B. postpone C. oppose D. disobey 【解析】选B。句意: 明天要是下雨的话, 我们将推迟参观杨浦大桥。postpone“推迟”符合句意。suggest建议, 提议, 暗示; oppose反对; disobey违抗。 2. (2017·常州模拟)A class with 40 kids is more likely to ________ opposing groups than one with 20, which may explain why students tend to do better in smaller classes. A. look into B. split into C. break into D. run into 【解析】选B。句意: 一个有40个孩子的班级比一个只有20个孩子的班级更容易分裂, 这也许可以解释为什么小班的学生学得更好。split(up)into“分开(成几部分)”符合句意。 3. If you ________ the affair, I shall be very grateful. A. apply B. experience C. undertake D. command 【解析】选C。考查动词辨析。句意: 要是你愿意承办这件事, 我将不胜感激。apply“应用”; experience“经历”; undertake“承诺, 承担”; command“命令”, C项符合句意。 | 
