What is the main idea of the passage?

• A、Exercise strengthens people's body

• B、Exercise helps babies to grow.

• C、Exercise improves people' s lif

• D、Exercise benefits the brain.

There are numerous websites on the Internet ____ you can learn how to cook.

• A、that
• B、when
• C、where
• D、which

Writing: For this part, you are supposed to write an e-mail in about 100 - 120 words based on the following situation. Remember to write it clearly.

你(Li Yuan)下周一因?yàn)橐⒓友葜v比賽，不能上外教(Prof.Smith)的寫(xiě)作課。請(qǐng)給他寫(xiě)一封e-mail，內(nèi)容包括:

·請(qǐng)假并表示歉意；

·解釋不能上課的原因，如比賽的重要性；

·承諾會(huì)自學(xué)所缺內(nèi)容并按時(shí)交作業(yè)；

·祝他偷快。