Unit 4 Don’t eat in class. Section A(1a-2d)Ⅰ. 选句子配图A. Keep quiet. B. Don’t arrive late for school. C. Don’t listen to music in class. D. Don’t run in the hallways. E. Don’t fight. F. Don’t eat in the classroom. 答案 : 1 ~ 6. FBCAEDⅡ. 句型展示1. 我们必须按时到。We be . 2. 在我们学校有很多规则。 a lot of in our school. 3. —— 我们能把音乐播放机带到学校吗 ? —— 不 , 我们不能。— we music players school? —No, we . 答案 : 1. must; on time 2. There are; rules3. Can; bring; to; can’t 4. 我们不得不总是穿着校服。We always wear the school uniform. 5. 我们也必须在图书室保持安静。We in the library. 答案 : 4. have to 5. also have to be quiet1. Don’t arrive late for class. 上课不要迟到。【自主领悟】 (1)arrive“”意为 到达, 是不及物动词 , 跟地点名词作宾语时要加介词。例如 : I can arrive here at 8: 00. 我能在八点钟到这里。(2)arrive late for 相当于 be late for, 为固定短语 , “意为( 做某事 )”迟到 。例如 : Don’t arrive late for the meeting. 开会别迟到了。【用法辨析】 arrive 与 get 的异同点相同点跟 home, here 和 there 等地点副词时 , 用法相同不同点arrive 跟大地点类名词时用介词 in, 跟小地点类名词用介词 at 。 get 后跟地点类名词时只能用介词 to【活学活用】 ①Our teacher arrives school at 7: 30 every morning. A. in B. to C. at D. of②He gets to the city by train. ( 改为同义句 )He the city by train. 答案 : arrives in2. You must be on time. 你必须准时。【自主领悟】 on time“”准时 , 指按照规定的时间做某事。例如 : Please come here on time tomorrow. 请明天按时来这里。【用法辨析】 on time 与 in time 的区别in time 及时 ( 在时间到来之前 ) on time 按时 ( 在规定时间内 )The doctors arrived in time and saved the injured man. 医生及时到达 , 救了那位受伤者。She goes to work on time every day. 她每天按时上班。【活学活用】 ①It’s...