1、Unit3 Section B知识点一、 常见短语1、a waste of time 浪费时间 Eg、Housework is not a waste of time.2、there is no need for sb to do sth 对于某人而言，没有必要 做某事Eg、There is no need for students to do housework.对于学生而言，没有必要做家务。3、 mind doing 介意做 I do not mind doing housework.4、 get good grades 取得好成绩5、 in order to do sth = to do
2、 sth为了做 Eg、He goes shopping in order to buy some drinks. = He goes shopping to buy some drinks.6、 the earlier the better 越早 越好“the 比较级. ,the 比较级. ”表示“越，越”Eg、The earlier kids learn to be independent，the better it is for their future. 孩子们越早学习独立，对他们的未来越好。7、It is not enough to do sth 做某事是不够的（it 代替后面的不定式
3、）Eg、It is not enough to just get good grades at school.（it 代替后面to just get good grades at school.）仅仅在学校取得好成绩是不够的8、spend time on sth 在某事上花时间spend time （in） doing sth 花时间做某事（in可以省略）Spend money on sth 在某事上花钱Spend money （in）doing sth 花钱做某事（in可以省略）Eg 、They should spend two hours on housework every day .
4、他们应该每天花两小时做家务。He spent two dollars （in）buying the book. 他花了两美元买书。9、 fall ill 生病10、 have no idea 不知道，不清楚11、 do ones part in doing 尽某人的职责做二、invite 动词 ； invitation 名词1、invite 动词：邀请l Invite sb to +地点 邀请某人去 地方l Invite sb to do sth 邀请某人做Eg、He invited his friends to the party. 他邀请他的朋友去聚会。 He invited his fr
5、iends to play basketball.他邀请他的朋友去打篮球。2、invitation 名词：邀请、请柬make an invitation 发出邀请；制作邀请函accept the invitation 接受邀请turn down an invitation 拒绝邀请三、have a party 举办聚会have a test 有一场测试；有一场考试What for ？ 为了什么？四、fun 名词：乐趣，趣事 形容词：有趣的，使人快乐的Eg、That sounds like fun. 那听起来有趣。l have fun = have a good / great time = e
6、njoy yourself 过的愉快l have fun （in） doing = have a good time （in） doing = enjoy yourself （in） doing 愉快的做某事（in可以省略）Eg、I have fun playing basketball.五、be doing 现在进行时1、 现在正在做 I am playing basketball.我现在正在打篮球2、表示不久的将来将要做 He is coming tomorrow.他明天将要来。六、使役动词 ：让人做，使人做 Make sb do sth 让人做，使人做 Have sb do sth 让人
7、做，使人做 Let sb do sth让人做，使人做Eg、She makes me laugh. 她让我笑。 I let her go. 我让她走。Please have him come here. 请让他来这里。七、 develop 动词：发展；壮大 development 名词：发展；壮大 developing 形容词：发展中的 developed 形容词：发达的八、 depend 动词：依靠；信赖 dependence 名词：依靠；信赖 dependent 形容词 ；可以依靠的，可以信赖的 independence 名词：独立；不依靠 independent 形容词 ；独立的；不依靠的
8、九、fair 形容词：合理的，公正的unfair 形容词：不合理的，不公正的（un-表示不）Fairness 名词：公正性；合理性（ness表示名词）unfairness 名词：不公正性；不合理性十、alone 形容词：独自的，单独的 副词：单独，独自 （无感情色彩） lonely 形容词：孤独的，寂寞的 （有感情色彩）十一、 since 连词，意为“既然，因为”常位于句首。Eg、Since you dont know her, Ill ask someone else.既然你不认识她，我问别人。Unit3 范文Dear Sir or Madam, I think it is importan
9、t for children to learn how to do chores and help their parents with housework. I disagree that doing chores at home is a waste of time. Doing chores helps to develop childrens independence and teaches them how to look after themselves. It is not enough to just get good grades at school. Children th
10、ese days depend on their parents too much. Our neighbors son got into a good college but during his first year, he had no idea how to take care of himself. As a result, he often fell ill and his grades dropped. So the earlier kids learn to be independent, the better it is for their future. It also h
11、elps them to understand the idea of fairness. Their parents have to work hard all day, just the same as they have stress on study. Since they live in one house with their parents, they should know that everyone should do their part in keeping it clean and tidy. So doing housework is good for children. They should often do it.Yours turly, Li Hua
