九年级英语Unit13sectionB课件.ppt

1. pros and cons　 n. 赞成和反对的理由 例如： To consider all the pros and cons of a matter before reaching a decision. 作出决定前先好好考虑所有赞成和反对的理由。 2. It’s true that some ads can be very useful. 一些广告的确很有用。 (1) It’s + adj. +that 其中it 是形式主语,代替that引导的主语从句。 如： It is strange that be had made a mistake. 真怪, 他竟做错了。 (2) useful adj. 有用的 useless adj. 无用的, 无价值的 如: a useful idea 有用的主意 　 a few useless suggestions 一些无价值的建议 3. For instance, they can help you to compare two different products so that you can buy the one you really need.　 如: 他们能够帮你比较两种不同的产品, 以至于你能买到你真正需要的那个。 (1) for instance, for example 例如 (2) compare　比较，对照 compare...with...　 把……与……相比 如: If we compare French schools with British schools, we will find many differences. 如果我们把法国的学校与英国的学校 相比, 会发现许多不同之处。 compare...to...　把……比作…… 如: The poet compares the woman he loves to a rose. 这位诗人把他所钟情的女人比作玫瑰花。 (3) the one you really need 是定语从句the one 是定语从句中的先行词, that作为引导词在从句中做宾语省略掉了。 4. However, some advertising can be confusing or misleading. 　然而, 一些广告会混淆或误导你。 (1) confuse v. 使迷惑 如: Waking up in strange surroundings confused her. 她醒来时看到一片陌生的环境, 这把 她搞糊涂了。 confusing a. 令人迷惑的 如: The instructions are very confusing and I can’t understand them. 这些指示莫名其妙, 我没有办法理解。 confused adj. 迷惑的, 糊涂的 如: He gets confused easily. 他很容易被弄糊涂。 (2) mislead 　v. 使某人做错, 误导 misleading 　adj. 如: a misleading description / advertisement 　 误导人的描述（广告） 5. …but don’t really tell you anything about the quality of the product. 但没有真正告诉你有关产品质量的 任何问题。 tell sb. about sth. 告诉某人有关某事 tell sb. sth. 告诉某人某事 例: (1) The granny told us about a thief breaking into her house. 老奶奶告诉我们她家失窃的事。 (2)The old man told us about his sufferings in the old days. 老人告诉我们他过去受的苦。 (3) He told the happy news to everybody. 他把好消息告诉了大家。 (4) Tell me where you live. 告诉我你住在哪儿。 6. You have to be careful.