北师大（三起）三年级英语下册《unit 12 Review(3)》教学课件

1、Review1. I dont like eating chocolate. The taste is too _. 2. Mom added salt but it still wasnt _ enough. 3. I prefer lemons to oranges. I like the _ taste. 4. She likes _ cookies. They are hard, dry and easily broken. crispysweetsaltysourcrispy, sweet, salty, sour1. Fill in the blank with the corre

2、ct word given.Explanation 1. I prefer lemons to oranges. prefer是动词，意为“更喜欢”，常可与like better, instead进行替换。常见句式有prefer A to B, prefer doing to doing B, prefer to do A rather than do B. 2. They are hard, dry and easily broken. broken为 break的过去分词，相当于形容 词的作用，意为“碎了的 ，坏了的”,可作 定语或表语。例如： -What s wrong with you

3、r wtch? -Its broken. There is some broken glass on the ground. Be careful of the glass broken by the cat.Do you know the difference? be invented bybe invented inbe invented toEmphasize on personEmphasize on time or placeEmphasize on the usageCan you make sentences with them? 1. Telephone _ Alexander

4、 Graham Bell, who is an Englishman. 2. various things have _ record the history of human being. 3. paper _ first _ ancient China, and it is one of the most important inventions in the world.be invented by/in/towas invented byinvented inwasbeen invented toPlease translate these sentences into English

5、. 1. 这样的话，我们明天就可以完成任务了。 _ _ _, we can _ our task tomorrow. 2. 茶是在很偶然的情况下发明出来的。 Tea was _ _ _. 3. 我们爬山的时候不小心掉进一个山洞里了。 We _ _ a hole when we _ _ the mountain. 4. 自从发明了电之后，人类历史进入了新的篇章。 After electricity _ _, our history _ _ a new stage. In this way finish/ completeinvented by mistakefell intowere climb

6、ingwas inventedgotinto2. When were they invented?abacus in the 19th Centuryumbrella at the end of Spring and Autumn Period binoculars in 1600camera in 1839bicycle in 1839car in 1885 motorcycle in 1885toothbrush in 1780 washing machine in 1858A sample version The abacus was invented in the sixth cent

7、ury by Chinese people. The umbrella was invented about 4,000 years ago in Assyria, China and Egypt. The binoculars was invented in 1854 by Galileo Porro in Italy. The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture. The bicycle was invented in 1880s in England.Just for fun!根据汉语及首字母写出单词。1. When I began to sing, he laughed and made me very e_(尴尬的)2. After a long trip to Europe，1 felt very e_(精