1、Unit 6When was it invented第 五 課 時 Section B 2a2e It is believed that.意為人們認為，相當于People believe that.。其中it為形式主語，真正的主語為that。

2、第五課時Section B 3a3b單元同步作文指導本單元以談論重要發(fā)明為話題，要求同學們能夠從發(fā)明時間大小用途等方面描述一項發(fā)明。本單元常見的作文話題：介紹歷史上的一項重要發(fā)明；介紹你身邊的人或你自己的一項新發(fā)明等。假設這周你們學校的英語。

3、1. 成為奧運會的比賽項目成為奧運會的比賽項目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. 把把分開分開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第五課時第五課時Section B 2a2enot onlybut also take notesdivide intolook up tostop sb from doing sthin。

6、Unit 6When was it invented第五課時Section B 2a2e It is believed that.意為人們認為,相當于People believe that.其中it為形式主語,真正的主語為that從句.類似。

7、第五課時Section B 2a2b九年級上冊人教版英語Unit 6When was it invented1Canadian 1作形容詞，意為加拿大的；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。