内容正文:
Unit 4 Period 2 Grammar and usage
【学习目标】
Learning Objectives
1.To understand the meaning of restrictive relative clauses with relative adverbs and summarize the general rules of it.
2.To use restrictive relative clauses with relative adverbs in different situations and write a short paragraph about World Sleep Day.
【学习过程】
Learning activities
目标一:To understand the meaning of restrictive relative clauses with relative adverbs and summarize the general rules of it.
Activity 1: Below is part of a magazine article about sleep problems. Read it first and finish the tasks.
Do you remember a time when you had no worries stopping you from getting a good night's rest? Unfortunately, your happy childhood is probably a thing of the past.
A recent survey has found that many people suffer from sleep problems. Some are unable to fall asleep, some wake up in the middle of the night, and others simply do not get enough sleep. One of the reasons why people fail to get a good night's sleep is pressure from school or work. Noise pollution and light pollution in big cities may also contribute to sleep problems. In the short term, people with sleep problems often feel tired and have trouble concentrating. In the long term, they may be at increased risk of having a poor memory, being overweight and suffering a heart attack. Sleep problems are especially dangerous for teenagers. They are still growing, and night is the time when their bodies grow faster. Teenagers who do not sleep well may experience situations where body development slows down, and their health suffers.
So, if you have trouble getting a good night's sleep, it might be time to make some changes in your lifestyle.
Task 1 Read the article and complete the following mind map.
Task 2 Find the sentences with restrictive relative clauses in the
article and fill in the box below. The first one has been done for you.
Activity 2: Observe the sentences and summarize the general rules of restrictive relative clauses with rel