1．Liu Shuangrui，a 15-year-old boy from Liaoning，started to wear glasses at the age of 5.Twenty-five of 38 students in Liu's class wear glasses.Does this sound anything like your class？In fact，about 60 percent of Chinese teenagers are near-sighted（近視的）.China has the world's most near-sighted people：700，000，000 in 2021.
    "This is mainly because of the overuse of the eyes when people are studying or working，"Wang Ningli，head of a famous Beijing hospital once said.Now，many young people spend lots of time looking at computers or phones every day.
    Many people know that reading in the dark light is bad for one's eyes.They try to read only under bright（明亮的）light.However，if the light is too bright，it can also have bad results for one's eyes.
    Eating too much candy can do something bad for your eyes as well.Too much candy will result in losing vitamin（維生素） B1.Vitamin B1 is very important for your eyes.
    It's not so hard to save eyesight（視力） as you expect.Almost everyone can try the following advice（建議）.
    ?Follow the 20 rule：Every 20 minutes，look away from computers or phones you are using.Try not to put them too close to your eyes.Keep your eyes at least 20 cm away from the screens or the desks when you work or study.
    ?Do some outdoor activities every day.When you are outside，look at things far from you.In this way，your eyes can get relaxed.And getting more sunshine will be useful for your eyes.

Care for Eyes
The（1） of near-sighted people	●About 60% of Chinese teenagers are near-sighted. ●700，000，000 people were near-sighted in 2021.
（2） for becoming near-sighted	Overuse of the eyes	People look at computers or phones for too long.
	Reading in bad light	The light is （3） too dark（3） too bright.
	Eating too much candy	The vitamin B1 will get （4） when people eat much candy.
Advice on saving eyesight	Follow the 20 rule.	●Look away from the computers or phones（5） an hour. ●Keep eyes at least 20 cm away from the screens or desks.
	Do some outdoor activities every day.	●You can get your eyes relaxed. ●More sunshine is good for the eyes.

2．

certain than see because here in old bore change some hobby same

Changes happen anywhere at any time.Without changes，our lives would be very（1）.It would be like listening to the（2） song on your MP4 player over and over again.Some people don't like changes.When something （3），it makes them feel uncomfortable.However，changing is a big part of life and we all change （4） small ways every day.The young get stronger and the （5） get weaker.We meet new friends or we get new （6）.We'll go through many changes in our life.In some western countries，some people change jobs over ten times during their lives.Some change their homes many times.They like changing（7） they think it can improve their lives.
    China （8） many changes in recent years and most of them are very good.People are becoming richer and healthier （9） they used to be.Children are growing taller and they can get a better education.Changes have been good for China and they'll be （10）good for you.

3．How did we help to save our earth this week？Let me tell you.
   First，my family tried to save electricity.We（1） the lights on when leaving the room.We（2） the TV when nobody was watching it.Mum only used cold water in the washing machine.
   Second，we started recycling this week.We tried to write on（3） of our paper，not just on one side.we also divided our rubbish into（4） bags for bottles，paper and food.Mum kept the plastic shopping bags from the supermarket to use them again as rubbish bags.
   Third，my family started to save（5）.We stopped（6） long baths，we had short showers instead.We washed toilet with（7） water.Mum and dad used less water to do the washing.My sister and I didn't leave the tap running when we brushed our teeth.
   At last，mum and dad began to save gas.Mum used to（8） us to school，but now my sister and I started riding our bikes to school.It's hard（9） but good exercise.
   This week dad and some of the people in his company also started to go to work in one car and share the（10）.
   These are great ways I0 help protect our environment.

（1）	A．a(chǎn)lways	B．never	C．hardly	D．often
（2）	A．turned up	B．turned down	C．turned on	D．turned off
（3）	A．a(chǎn)ny side	B．a(chǎn)ll sides	C．neither side	D．both sides
（4）	A．large	B．small	C．different	D．the same
（5）	A．water	B．food	C．electricity	D．paper
（6）	A．wasting	B．making	C．saving	D．taking
（7）	A．used	B．fresh	C．clean	D．clear
（8）	A．order	B．show	C．drive	D．carry
（9）	A．job	B．work	C．project	D．works
（10）	A．time	B．value	C．cost.	D．breakfast