1、Lesson 18 Never Catch a Dinosaur学习目标1. 掌握本课四会单词及短语：rule, training，higher and higher, warnings about safety2. 理解祈使句的用法自主预习. 词形转换，按要求写出下列单词。1. safety (反义词) 2. warn(名词) 3. take part in (同义词) 4. advice (动词) 5. catch (过去分词) . 短语连线。1. advise sb. to do A. 提醒某人做某事2. safety rules B. 越来越高3. higher and higher
2、C. 建议某人做某事4. fall on sb. D. 安全规则5. warn sb. to do sth. E. 落在某人身上 指点迷津1. You had warned him to use a ladder. 你已经警告过他要用梯子。Warn的用法Warn 是动词， 意为“警告；提醒；告诫”。常用的结构有：1) warn sb. (not) to do sth. “提醒（或警告）某人（不）做某事”.2) warn sb. of sth. “提醒某人（尤其是可能有危险或不良后果的事）；警告”.如: He has been warned of the danger of driving af
3、ter drinking wine.已经提醒过他酒后开车危险。3) warn somebody about/ against somebody/something 或 warn somebody against doing something. “ 提醒警告某人不要去做某事” 如：He warned us about the serious situation. 他给我们谈了严峻的形势。They warned him against swimming in that part of the river. 他们警告他不要在河里的那个地段游泳。2. You advised him to use a
4、 ladder, but he didnt listen. 你建议他用梯子，但是他不听。advise sb. to do建议某人做某事，其否定形式为advise sb. not to do=advise sb. against sth。He advised me to go to see a doctor.他建议我去看医生。3. She watched me climb higher and higher. 他看我爬得越来越高。higher and higher 越来越高，其结构为“比较级+and+比较级”，意为“越来越”。若比较级由more构成，则结构为“more and more+形容词/
5、副词”。When spring comes, the day gets longer and longer. 当春天来的时候，白天变得越来越长了。达标提高一、根据句意补全单词1. Mother tried to stop me _ (swim) in that deep river.2. We need to know something about safety _ (rule).3. The boys often have some football _ (train) on Saturday afternoon.4. The hunter _ (catch) a lion on the
6、mountain last week.二、单选1. The doctor advised _ a rest.A. take B. taking C. took D. to take2. Tim _ the Party last year.A. joined B. joined in C. attended D. took part in3. It took Jenny three hours _ reading this interesting story.A. finished B. finishes C. to finish D. finishes4. I hope our city becomes _.A. more and more beautifulB. much and much beautifulC. much beautifulD. beautiful and beautiful答案：一、1. swimming 2. rules 3. training 4. caught二、1-4 DACA学后反思疑难问题自主预习_.达标提高_.
