中小学教育资源及组卷应用平台 Unit 3 Healthy or unhealthy 单元知识点讲解 I. 必记单词 healthy adj. 健康的 unhealthy 不健康的 hamburger n. 汉堡包 cola n. 可乐 yesterday adv. 昨天 fruit n. 水果 pie n. 馅饼 pizza n. 比萨饼 sandwich n. 三明治 vegetable n. 蔬菜 chicken n. 鸡肉 chocolate n. 巧克力 a little 少量的 fish and chips 炸鱼薯条 II. 常考短语 have breakfast 吃早餐 too much 太多 a lot of 很多 strong and healthy 健康又强壮 III. 重点句型 What did you have for breakfast this morning I had these for breakfast yesterday. You can have a little meat, but not too much. Breakfast is very important. IV. 单元语法 -- 一般过去时态 (did 疑问句) 一．定义 表示过去某一时候或某一段时间所发生了的事情或存在的状态。二、标志词 常 与 yesterday, this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before …, when – clause, in the past 连用。三、句型 肯定句结构为：主语+动词的过去式+其它。 如： He went to the toy store yesterday. 他昨天去玩具店了. I watched cartoons. She visited the zoo. 否定句结构为：主语+did not (didn’t)+动词原形+其它。 如： He didn’t go to the toy store yesterday. 他昨天没去玩具店。 They didn’t go the park yesterday. He didn’t make model ships last week. 一般疑问句的构成：Did+主语＋动词原形＋其它？ 如： -Did you go to Beijing last week -Yes, we did. (No, we didn’t.) 特殊疑问句的构成：特殊疑问词＋did+主语＋动词原形＋其它？ 如： -What did you do last night -I did my homework. 三、动词过去式的变化 规则变化： 一般在动词后加-ed。 如：play—played, offer—offered, weigh—weighed, sign—signed. 在以字母 e 结尾的动词后，只加-d。如：like—liked, hate — hated, 以重读闭音节（即：辅音＋元音＋辅音）结尾且末尾只有一个元音字母和一 个辅音字母的动词，双写末尾的辅音字母，再加-ed， 如：stop-stopped 以“辅音字母+y”结尾的，变 y 为 i， 再加-ed， 如：study-studied 不规则变化： am,is-was, are-were, do-did, see-saw, say-said, give-gave, get-got, go-went, come-came, have-had, eat-ate, take-took, run-ran, sing-sang, put-put, make-made, read-read, write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept, swim-swam, sit-sat 例题精炼 一、选择题 1．You can’t eat _____ drink in the library. ( ) A．and B．but C．or 2．Drinking too much cola makes us _____. ( ) A．strong B．healthy C．unhealthy 3．—What food does people like in the UK ( ) —_____ A．They like dumplings. B．They like fish and chips. C．They like sushi. 4．My father is very healthy. He eats a little _____. ( ) A．chocolate B．fruit C．fish 5．Eating _____ sweet food is bad for your teeth. ( ) A．many B．too much C．a little 6．You should stop _____. It’s bad for your health. ( ) A．smoking B．learning C．sleeping 7．—I always have breakfast before I go to school. ( ) —That is a good _____. A．habit B．subject C．hobby 8．In China, people like eating _____. In the UK, people like eating _____. ( ) A．dumplings; fish and chips B．fish and chips; dumplings C．fish and chips; rice 9．—What did you have for lunch today ( ) —_____ A．I l ... ...
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