译林牛津版英语 八年级英语上册 Unit 3 知识点讲义+练习

8A U3 A day out 考点讲义 Comic strip & welcome to the unit 1. I’m going to exercise. (p. 30) be going to do 打算做某事 【小试牛刀】 Tom ___________ visit the Great Wall next month. A. goes B. is going C. is going to D. went 答案：B 2. You need to exercise and keep fit. (p. 30) 【重点单词1·need】 * 行为动词 need to do sth.需要做某事 You need to do it now. → You don’t need to do it now.（有人称时态变化） * 情态动词（常用于否定句/疑问句中） needn’t do sth. → You needn’t do it now. * 用于回答must问句 - Must I do it now? - Yes, you must. / No, you needn’t. / No, you don’t have to. 【小试牛刀】 Kate needs __________ a dictionary. A. to buy B. buying C. buy D. buys 答案：A 【重点单词2·exercise】 词义 词性 例句 锻炼，运动 动词 How often do you exercise? need to exercise (需要锻炼) He often exercises. （他经常锻炼） 练习，体操 名词 （可数名词） grammar exercises do morning exercises 锻炼，运动 名词 （不可数名词） Swimming is good exercise. The mind needs exercise as well as the body. 【小试牛刀】 学生应该每天花至少一个小时进行锻炼。 __________________________________________________________________ 答案：Students should spe