teenagers are bigger than 26-year-olds were 60 years ago.
What is causing this change? Professor Tanner says it’s proper food. Your final(最终的) height is partly caused by the height of your parents and grandparents. But eating proper food can help you reach your final height and reach it early in life.
( )1. Teenagers are heavier and taller than teenagers were 60 years ago.
( )2. Eleven-year-old children at present look like nine-year-old ones in 1900.
( )3. The biggest change of shape happens to adults.
( )4. Boys keep on growing until they are 18 or 19 today.
( )5. A young man’s height only depends on proper food.
五．把下列句子变为被动语态。
1. She should wash her hands before meals. ________________________________________
2. Tony gave me a dictionary. (1)____________________ (2)____________________________
3. I saw the girl take notes. _________________________________________________________
4. Sally will take me to the bank. ___________________________________________________
5.Mark was watching TV at that time. _______________________________________________
6. We must take good care of old people. ____________________________________________
7. Your room should be cleaned by you.(改为主动句) __________________________________
8. Yesterday I asked someone to pierce my ears. (改为同义句)
Yesterday I _________ my ears _________.
六．翻译
1. 开车时驾驶员的注意力要集中在路上。
A driver has to ___________ ___________ the road when driving.
2.我们不应该对中学生太严格。
We ___________ ___________ ___________ ___________ middle school students.
3. 如果你今夜熬夜的话，你就可以完成这项工作了。
If you ___________ ___________ tonight, you can finish the work.
4. 目前我们不需要太多钱。
___________ ___________ we don’t need much money.
5. 父母总是关心他们的孩子。
Parents always ___________ ___________ their children.
七． 写作
假如你是学习图书馆的管理员，请根据下面表格提示写一个通知，说明图书馆的有关规定。
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