Unit 3　Celebration Period One　Learning to learn，Warmshy;up and Lesson 1 课件（北师大必修1）.ppt

In 1983, there were only 200 computers connected to the Internet.1983年，只有200台计算机被连接到英特网上。(过去分词) There are a wide variety of patterns for us to choose from. 有多种图案可供我们选择。(动词不定式) 【完成句子】 大约有50名外国学生在这所学校学习中文，其中大部分来自德国。 There are about 50 foreign students ________ Chinese in this college, most of whom are from Germany. 答案　studying 5．(课文重现)It is called zongzi, which is sticky rice in fresh bamboo leaves.它叫粽子，是把糯米包裹在新鲜的竹叶里制成的。 【句式分析】 which is sticky rice in fresh bamboo leaves 是非限制性定语从句，修饰限制上文提到的zongzi。 (1)We went to see Xiao Wang, whose parents had gone abroad.我们去看小王，他父母到国外去了。(非限制性定语从句) (2)This is the house which we bought last month. 这就是我们上个月买的房子。(限制性定语从句) 注意：定语从句分为限制性定语从句和非限制性定语从句两种。限制性定语从句是先行词不可缺少的一部分，去掉它后，主句的意思往往不明确；非限制性定语从句是对先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号隔开。 (2012·陕西，14)It is the third time that she has won the race，________ has surprised us all. A．that B．where C．which D．what 答案　C　[句意：这是第三次她赢得了比赛，这使我们很吃惊。which引导非限制性定语从句，代替前面提到的事。] 6．destroy v．破坏，毁坏 The building was completely destroyed by fire. 这个建筑物被大火彻底焚毁了。 All my hopes were destroyed by his letter of refusal. 他回信拒绝，我的希望完全破灭。 They have destroyed all the evidence. 他们销毁了一切证据。 【拓展】 destruction n．　　　　 破坏，摧毁 destructive adj. 造成毁灭或严重破坏的 【辨析】 destroy/damage/harm (1)destroy常指毁灭性的破坏。 (2)damage可指不同程度的损害、破坏。 (3)harm一般指身心、健康、名声的损害。 【单项填空】 (1)The noises not only make it difficult to sleep，but they are ________ damage to our houses and shops. A．doing B．making C．putting D．raising (2)The heavy rain________the hope of a picnic. A．damaged B．destroyed C．harmed D．hurt (3)He was lucky enough to escape being killed in the accident，but his car was completely________. A．damaged B．struck C．failed D．destroyed 答案　(1)A　(2)B　(3)D 7．serve (1)vt.为……服务，效力 We should serve the people heart and soul. 我们应该全心全意为人民服务。 (2)vt.接待，招呼(顾客等) The shop assistant is serving a customer. 商店服务员正在接待一位顾客。 First come，first served.先来者先被接待。(先来后到) (3)vt.端上(饭菜)，供应饮食 serve sb with sth 拿……来招待某人；供应…… The waiter served us with wine.服务生给我们倒酒。 (4)vt.vt