Section A,自 主 预 习,Section A,go skating,different kinds of,encourage sb. to do sth,玩得开心,两个；一对；几个,Section A,Have,you,ever,been,to,I,have,Have,you,ever,been,to,I,havent,Me,neither,somewhere,different,Section A,isnt,it,Ive,ever,been,to,Its unbelievable,that,Section A,1 invent v. 发明；创造 观察 They have information about different computers and who invented them. 它们有关于不同的计算机方面的信息，以及谁发明了它们。 探究 invent作动词，意为“发明；创造”。 拓展,互 动 探 究,词汇点睛,Section A,辨析 discover与invent,Section A,活学活用 用discover或invent的适当形式填空 (1)We _ that our luggage had been stolen. (2)I think the calculator was _ before the computer.,discovered,invented,Section A,2 unbelievable adj. 难以置信的；不真实的 观察 It is unbelievable that he did it by himself. 他独立做了那件事，真是令人难以置信。 探究 unbelievable作形容词，意为“难以置信的”，它是由un(否定前缀)believ(e)able(形容词后缀)构成的。 拓展,Section A,活学活用 (1)We dont believe it because it is very _ (believe). (2)I had such an _ (usual) experience that I wouldnt forget it.,unbelievable,unusual,Section A,3 collect v. 收集；采集 观察 Ive finally realized why my grandpa loves drinking tea and collecting tea sets. 我终于意识到了我的爷爷为什么喜欢喝茶以及收集茶具。 探究 collect作动词，意为“收集；采集”。 拓展,Section A,活学活用 Lisas father has a large _ (collect) of stamps and old coins.,collection,Section A,4 German adj. 德国的；德语的；德国人的 n. 德语；德国人 观察 Germans speak German. 德国人讲德语。 探究 German为兼类词，作形容词时意为“德国的；德语的；德国人的”；作名词时，意为“德语；德国人”，作“德国人”讲时，其复数形式是Germans。另外Germany意为“德国”。,Section A,活学活用 Thousands of _ (German) come to visit our city every year.,Germans,Section A,短语归纳,a couple of 两个；一对；几个 观察 Ive been there a couple of times. 我已经去过那儿几次。 探究 a couple of为固定短语，意为“两个；一对；几个”，后面接可数名词复数形式，谓语动词需要用复数形式。,Section A,活学活用 There _ (be) a couple of boys in the room.,is,Section A,句型透视,1 Have you ever been to a science museum? 你曾经去过科学博物馆吗？ Yes, I have. 是的，我去过。 探究 ever意为“曾经”， 用于否定句、疑问句、条件状语从句或肯定句中。如： I have hardly ever seen him these days. 我近来很少见到他。 Has he ever been to Tibet？他去过西藏吗？,Section A,辨析have been to, have been in与have gone to (1)have been to表示“去过某地(说话时已经回来了，用来谈论过去的经历， 常与次数或第几次连用)”。 (2)have been in表示“在某地待多长时间了(与since, for, how long等连用)”。 (3)have gone to表示“去某地了(不在说话地点，可能在去的途中、在目的地或返回的途中)”。,Section A,活学活用 2015绥化Victor and Rick _ Shanghai on business many times. Ahave gone to Bhave been to Chave been in 解析 B,Section A,2 Have you ever been to a history museum? 你曾经去过历史博物馆吗？ No, I havent. 不，我没去过。 Me neither. 我也没去过。 探究 该对话中的me neither表示“我也没去过”，同neither have I，用于描述前面叙述的否定情况也同样适用于后者。如： I dont like swimming. 我不喜欢游泳。 Me neither / Neither do . 我也不喜欢。,Section A,活学活用 “我还没有给他写信。” “我也没有。”(翻译句子) I havent written a letter to him. Me neither/Neither have I ,Section A,3 Its unbelievable that technology has progressed in such a rapid way! 科技以如此迅速的方式发展，真是令人难以置信！ 探究 本句中的that technology has progressed in such a rapid way是that引导的主语从句，it是形式主语，真正的主语是其后的that从句。如： It is very important that students read good books.学生读好书是非常重要的。,Section A,活学活用 学生们掌握一些生活技能是很有必要的。 _ _ _ students learn about some life skills.,Its,necessary,that,Section A,4 It also encourages governments and social groups to think about ways to improve toilets in the future. 它也鼓励政府和社会团体想出办法在将来改进马桶。 探究 encourage sb. to do sth.是固定搭配，意为“鼓励某人做某事”，其中encourage是动词，意为“鼓励”。 拓展 encourage sb. not to do sth. 鼓励某人不要做某事,Section A,活学活用 Mr. Wang often encourages us _ close to nature and enjoy its beauty. A. get B. getting C. to get D. got 解析 C encourage sb. to do sth.是固定搭配，意为“鼓励某人做某事”。,