第五课时Section B 3a3b单元同步作文指导本单元以谈论重要发明为话题。Unit 6When was it invented第五课时Section B 2a2e It is believed that.意为人们认为。
invented第5课时SectionTag内容描述：
1、Unit 6When was it invented第 五 课 时 Section B 2a2e It is believed that.意为人们认为，相当于People believe that.。其中it为形式主语，真正的主语为that。
2、第五课时Section B 3a3b单元同步作文指导本单元以谈论重要发明为话题，要求同学们能够从发明时间大小用途等方面描述一项发明。本单元常见的作文话题：介绍历史上的一项重要发明；介绍你身边的人或你自己的一项新发明等。假设这周你们学校的英语。
3、1. 成为奥运会的比赛项目成为奥运会的比赛项目Review the expressions and sentences. become an event at the Olympics3. 阻止某人做某事阻止某人做某事2. 把把分开分开4.。
4、not onlybut also take notesdivide intolook up tostop sb from doing sthin historyon a hard wooden floorthe most famous ga。
5、Unit 6When was it invented第五课时第五课时Section B 2a2enot onlybut also take notesdivide intolook up tostop sb from doing sthin。
6、Unit 6When was it invented第五课时Section B 2a2e It is believed that.意为人们认为,相当于People believe that.其中it为形式主语,真正的主语为that从句.类似。
7、第五课时Section B 2a2b九年级上册人教版英语Unit 6When was it invented1Canadian 1作形容词，意为加拿大的；加拿大人的。eg: He has a lot of Canadian friends.。
8、ivided lympics asket ero rofessional threw Canadians popularity played are asked B A B D A for fun exercise look up to w。
9、not onlybut also take notesdivide intolook up tostop sb from doing sthin historyon a hard wooden floorthe most famous ga。