Unit 6 Lesson 48,Unit Review
第六单元
Ⅰ. Building Your Vocabulary

A. Fill in each blank with the proper word from the list. Use the correct form.

connect ,receive ,fail ,succeed ,shout ,
连接,接收,失败,成功,叫喊,
D. Complete the passage with the proper words or phrases.

C. Fill in the blank with the proper word. The first letter is given.

D. Complete the passage with the proper words or phrases.

Ⅱ. Grammar in Use.Fill in the blanks with the words in brackets in their proper tenses.

Ⅲ. Speaking the Language.Complete the following dialogue.

Ⅳ. Putting It All Together.A. Reading comprehension

Computers Are Useful Tools
电脑是有用的工具
Computers can do a lot of everyday jobs wonderfully.
电脑可以极佳地完成许多日常工作。
That's what people often say when they talk about computers.
人们谈起电脑时常常会这么说。
Computers can do a lot of everyday jobs wonderfully.
电脑可以极佳地完成许多日常工作。
They are widely used in factories, hospitals and banks.
它们广泛应用于工厂、医院和银行。
People, such as scientists, writers, teachers and students use computers to do all kinds of work.
人们，诸如科学家、作家、教师和学生，使用电脑完成各种工作。
But 30 years ago, computers couldn't do much work.
但是30年前，可以用电脑完成的工作还不多。
They were very big and expensive.
30年前的电脑很大，而且非常昂贵。
Very few people were interested in them or knew how to use them.
只有极少数人对电脑感兴趣、会操作。
Today computers are smaller and cheaper.
现在的电脑比较小而且比较便宜。
Because they can do a lot of work, many people like to use them at home.
因为可以用于做许多种工作，许多人都乐于使用电脑。
They allow you to connect with many people and places in the world.
让你和世界各地的人们进行联系。
Computers can help you get your homework done.
电脑可以帮助你完成家庭作业。
They allow you to connect with many people and places in the world.
让你和世界各地的人们进行联系。
Is the statement true (T) or false (F)?

B. Discussion.Some people prefer to send letters or cards to their friends,

while other people prefer to send e-mails or e-cards instead.

Which do you think is better? Why?

Do You Know?
你知道吗？
Making Telephone Calls
打电话
Hello! I'd like to...
你好！我想……
Hello! May I speak to...?
你好！请问……在吗？？
Hello! I'd like to...
你好！我想……
Hold on, please.
请稍等。
Please wait a moment.
请稍等。
Can I take a message for you?
我能给你捎个信儿吗？
I'll ring him up again.
我会再给他打电话的。
The Present Perfect Tense
现在完成时
This is the first time I have been a babysitter.
这是我第一次做保姆。
This idea has given zoo animals a better life.
这种想法给了动物园里的动物们更好的生活。
The Past Perfect Tense
过去完成时
Have you thought of a new fuel for cars?
你想到什么新的汽车燃料了吗？
The Past Perfect Tense
过去完成时
Since his wife had died young, John alone had taken care of his five children.
约翰的妻子年纪轻轻就去世了，从那以后他就独自照料着他的五个孩子。
He said that he had written three e-mails.
他说他写了三封电子邮件。
Before the doctor arrived, the boy had covered his mother with his jacket.
医生到达之前，男孩子把夹克衫给妈妈盖上了。