Unit4Computers

1、If 条件状语从句,if,compare two if sentences,If you cool the water, it beomes ice. If you work hard, youll become a top student.,actions with definite results,If you cool water, it becomes ice.,Simple present tense一般现在,If,If you _(boil)water, it_steam. If you _(warm)ice, it_water. If you _(cool)steam, it_w

2、ater.,If you cool water, it becomes ice.,S1: What happens if you.water? S2: It.,actions with possible results,If you work hard, you will become a top student.,Simple present tense一般现在,Simple future tense一般将来,If,If you work hard, you will become a top student.,If you_ a top student, people_(like) you

3、.,If people_you, you_(get) many chances.,If you_many chances, you_(be) able to show your talents.,S1: What will happen if you.? S2: It.,If I drink too much coffee at night, I,If you dont give my money back, I,If you go to Yu Garden, you,Guess what will happen,If I brush my teeth carelessly, I,If the

4、 size of shoes isnt right, I,Joyce and her friends have published a school newspaper. Lets check it out!,Damin will set off on his raft.,he will stop.,they wont swallow the fish.,the fish will be frightened.,“If it is the late afternoon, _ If Damin reaches the right place, _ If Damin ties piece of g

5、rass around cormorants necks, _,If Damin jumps and bangs the water,_ If the cormorant gets some fish, _”,Damin and his birds,Damin will remove them from its mouth.,If I have a pet dog written by Arthur,Having a pet dog can change a persons life. If I have a pet dog, I will take care of them carefull

6、y. If the dog runs to me, I will pick it up and hold it. If I have a pet dog, I will learn about responsibility. If the dog is naughty, I will train it. If I have a pet dog, I will learn about life and death, too. If the dog treats you as its master, it will love you faithfully for many years.,What

7、will happen if computers can do our jobs? -Column writer, Mark,Now you do not even need to know how to type. You can buy a program which helps the computer recognize your voice. You can talk to the computer and it will obey your commands, and write your letters!,One day computers may be able to do m

8、ost things that a human brain can do and even do them better. For example, they may be better than doctors at doing their job. People will be freed from the heavy work.,How will computers probably be if technology develops?,How will people be if computers do our jobs?,What will you need if you dont

9、know how to type?,What will computers do for you if you want to be free?,Quick,response,Will you be healthier if you do exercise regularly?,What will happen if there is no water?,What will you do if you get a lot of money?,How will you feel if you find yourself in the desert alone?,Readers mailbox,Do you want to share your life with us？ For example, what makes you sad, happy, angry or excit