北京初三(15册)英语课件.ppt

microwave oven,wave,like -,dislike,happy-,unhappy,We put the food in the oven.,We programme the oven for the time and switch (turn) it on.,Then we take the food out from the oven.,How to use a microwave oven?,Lesson 13 The food is placed in the oven.,Task 1: Read 1st paragraph, find out the answers and then write them on your paper. (according to the dialogue),Is it easy or difficult to use a microwave oven? Whats the first thing to do when you use a microwave oven? 3)Then what follows?,It is easy to use a microwave oven.,The food is placed in the oven.,The oven is programmed for the correct time and then switched on.,Task 2:Try to complete the chart and then write your sentences on the paper.,The food,is placed,The oven,The food,in the oven,for the correct time,in the oven,from the oven,on the table,is program- med,is switched on,is heated,is taken out,is served,Read next paragraphs quickly, then tell us they are talking about _ how to use a microwave oven. how a microwave oven works and its advantage. appearance (size and color) of the microwave oven.,B,Read again, then answer these questions:,Microwave ovens use microwaves to heat food.,Because all the food is heated at the same time.,No, they wont,What are turned into heat?,Microwaves are turned into heat.,Task 3. A Can you complete this form according to this passage?,microwave ovens,how to use a microwave oven,how a microwave oven works,the advantages of a microwave oven,The food is placed in the oven.,The oven is programmed for the correct time .,The oven is switched on.,The oven is programmed for the correct time and switched on.,The food is heated in the oven.,The food is taken out from the oven.,The food is served on the table.,The food is heated in the oven and then taken out from the oven and served on the table.,The microwaves are turned into heat.,We put the food in the oven. We programme the oven for the time and switch it on. We take the food out from the oven,The food is placed,We put the food,We take the food,当我们强调某个动作,而不强调动作的执行者时, 我们使用被动语态。,我们不知道动作的执行者时， 我们也可以用被动语态。,被动语态:,被动语态 一般现在时结构:,am,主语,+is/are,+过去分词,Task 3. B Try to complete the s