Tấm bê tông nặng:1+2+6=9 tạ

tỉ số phần trăm giữa xi măng và bê tông là:1*100/9~11,1%

tỉ số phần trăm của cát và bê tông là:2*100/9~22,2%

tỉ số phần trăm của sỏi và bê tông là:6*100/9~66,6%

II.

1,What are you going to do this weekend

I

1.What are you going to do this weekend?

2.If there isn't more fish ,the river will be dirty.

3.A shopping bag made from meterials of natural is reusable.

4.Will your future house have a super smart TV?

5. I think Tony might not pass the exam.

1. I didn't go to school yesterday because I had a bad cold.

2. Although Lan can sing very well, she can't play the piano.

3. If we use the car all the time, we will make the air dirty.

4. The most popular drink in London is tea.

5. We might go to the moon for our summer holidays in 2050.

6. In the future, robots might not do all our housework.

7. I will be able to awake at night if I drink too much coffee.

8. If you sit on that chair, it will break.

9. I have had this computer since 2010.

10. How long have you learnt English.

11. I have met Karen for four years.

12. Tokyo is the most expensive city in the world.

13.Don't be late !

14. My dream might not come true.

1.Because I had a bad cold ,I didn't go to school yesterday.

2,Although Lan can sing very well , She can't play the piano.

3 .If we use the car all the time ,we will make the air dirty.

4.Most popular drink in London is tea.

5.We might go to the moon for our summer holidays in 2050.

6.In the future ,The robot will probably do all our homework.

7. Drinking too much coffee able make me awake at night.

8.If you sit on that chair, you will fall.

9. I bought this comuter since 2010s.

10.How long did you learn English?

11.I've meet Karen for 4 years.

12.Tokyo is the most expensive city of the world.

13. Don't be late.

14.My dream might  not come true

1. Is the environment polluted today?

Yes,it is........................................................................................................................................

2. Where should we put the garbage?

We should put the garbage in a certain place or in the recycling bins........................................................................................................................................

3. What should we do to keep the water unpolluted?

 we should not throw trash into the rivers and lakes to keep the water not polluted........................................................................................................................................

4. Should we  throw trash into the rivers and lakes to keep the water not polluted?

…No,we shouldn't…………………………………………………………………………………….

          The environment is seriously polluted today. To protect the environment, we should reduce the plas bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things.  And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live a healthier life.                                                                                                                                                                                                       

1. Is the environment polluted today?

...Yes, it is.....................................................................................................................................

2. Where should we put the garbage?

We should put the garbage in a certain place or in the recycling bins......................................................................................................................................

3. What should we do to keep the water unpolluted?

....We should not throw trash into the rivers and lakes to keep the water not polluted.....................................................................................................................................

4. Should we  throw trash into the rivers and lakes to keep the water not polluted?

……No, we shouldn't ………………………………………………………………………………….

 People need to breathe. If they don’t breathe, they will die. But how (1) ___clean_____is the air people breathe? If they breathe dirty air, they will have (2) ______breathing___________ problems. Plants and animals (3) _______need_________ clean air too. A lot of the things in our lives create (4) ___harmful___________ gases and make the air dirty, cars, (5) _____motorbikes_________, and factories. Dirty air is called “polluted air”. Air (6) ____polution____________ can also make our Earth warmer.

III. Complete the passage with the words given. (1.5 ms)                                              

 People need to breathe. If they don’t breathe, they will die. But how (1) ___ clean_____is the air people breathe? If they breathe dirty air, they will have (2) _____breathing ____________ problems. Plants and animals (3) _______   need  _________ clean air too. A lot of the things in our lives create (4) __harmful___ _________ gases and make the air dirty, cars, (5) _____motorbikes_________, and factories. Dirty air is called “polluted air”. Air (6) ______ pollution__________ can also make our Earth warmer.

I. Choose the correct answer A, B, C or D to complete the passage. (1.0m)

People need to breathe. If they don’t breathe, they (1) ____________ die. But how clean is the air people breathe? If they breathe (2) ___________ air, they will have breathing problems. Plants and animals need (3) __________ air too. A lot of the things in our lives create harmful gases and (4) _________the air dirty, cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

1. A. won’t                      B. are                    C. must                 D. will

2. A. clean                      B. fresh                 C. dirty                 D. cleaner

3. A. clean                      B. safe                  C. dirty                 D. polluted

4. A. make                     B. get                    C. give                  D. made

Part C: Reading (2.0ms)

I. Choose the correct answer A, B, C or D to complete the passage. (1.0m)

People need to breathe. If they don’t breathe, they (1) ____________ die. But how clean is the air people breathe? If they breathe (2) ___________ air, they will have breathing problems. Plants and animals need (3) __________ air too. A lot of the things in our lives create harmful gases and (4) _________the air dirty, cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

1. A. won’t                      B. are                             C. must                 D. will

2. A. clean                      B. fresh                 C. dirty                  D. cleaner

3. A. clean                      B. safe                  C. dirty                 D. polluted

4. A. make                      B. get                    C. give                  D. made

ai làm đúng mink k cho

What is you going to do tonight?

I usually go fishing once a week.

There are any oranges and some banana.

1.in -> since

2.

3.best -> most

4. the intelligent -> the most intelligent

5.

1, have learnt -> learnt

2, sweet voice -> a sweet voice

3, best -> most

4, the intelligent -> the most intelligent

5, best -> better

1 pack/luch/luch box/instead/plas bag

=>Pack your lunch in a lunch box instead of a plas bag

2 use/own bag/when/go shopping

=>Use your own bag when you go shopping

3 turn off / light/when not use 

=>Turn off the lights when you don't use them

4 donate/ old clothes/or/swap/friends

=>Donate your old clothes or swap them with your friends

5 turn off/ tap /when/brush/teeth

=>Donate your old clothes or swap them with your friends

 

1 pack/luch/luch box/instead/plas bag

=>Pack your lunch in a lunch box instead of a plas bag

2 use/own bag/when/go shopping

=>Use your own bag when you go shopping

3 turn off / light/when not use 

=>Turn off the lights when you don't use them

4 donate/ old clothes/or/swap/friends

=>Donate your old clothes or swap them with your friends

5 turn off/ tap /when/brush/teeth

=>Donate your old clothes or swap them with your friends