题目

All students must wear summer uniforms ________September , early October , late April , May and June .A.in B.by C.at D.of 答案：【答案】A【解析】句意：所有的学生必须在九月，十月初，四月末，五月和六月穿校夏季服。考查时间介词，结合语境可以推断这句话表达的意思在九月，表示月份的名词前用介词in，故选：A。He was surprised that the visitors were janicked about the plan and there was little he could tell them that they didn’t already know. A. 了如指掌　　　　　　　　　　　　　　　　　　　　　　　　   B. 不知底细 C. 不感兴趣　　　　　　　　　　　　　　　　　　　　　　　　   D. 十分欣赏