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3 tháng 7 2018

Đáp án: The author hopes that in the future the earth will be cleaner.

27 tháng 8 2018

Đáp án: We can use recycled paper to help save trees.

24 tháng 4 2017

Đáp án: We try to avoid buying plastic.

9 tháng 8 2018

Đáp án: This pollution affects the health of living things

9 tháng 10 2018

Đáp án: Yes, it is

30 tháng 10 2018

Dear Linh,

Thank you for your (1) _____letter____ I'm happy to (2) ___hear_____ you've just the race. I'm going to (3) __participate_____ in our school program this month " BEBE AA BUDDYBUDDY " is having some new (4) ___plans_____ to help the community. All the member have to (5) __collect____, waste paper and empty cans and send them recycling we do this to help (6) _____keep___ natural resour and (7) _earn____ some money for the organisation. We also (8) ___plant_____ plant some trees and flowers a long the sidewalks hear school. We (9) ____save_____ streets clean by collecting and emptying all the garbage. We have a lot of things to (10) __do_____ but they're really interesting, aren't they ?

Love Nga

II write the letter to answer the letter 1

31 tháng 10 2018

Bạn thiếu 1 yêu cầu nữa đó là viết thư trả lời ?

Bạn có làm đc ko ????????????

CHOOSE THE BEST ANSWER(VÌ SAO) 1/If we(repeat/recycle/rewrite/remark)waste paper,you will save a lot of trees. 2/Why do you often forget to(turn on/turn off/close/shut down)the lights when you go out of the classroom. 3/If we plant more trees in the school yard,the school will become a(greener/darker/dirtier/more polluted) palace. 4/”Reduce,reuse,recycle”is sail to encourage people to waste less,by using less and using things again,in order to(harm/damage/pollute/protect)the...
Đọc tiếp

CHOOSE THE BEST ANSWER(VÌ SAO)

1/If we(repeat/recycle/rewrite/remark)waste paper,you will save a lot of trees.

2/Why do you often forget to(turn on/turn off/close/shut down)the lights when you go out of the classroom.

3/If we plant more trees in the school yard,the school will become a(greener/darker/dirtier/more polluted) palace.

4/”Reduce,reuse,recycle”is sail to encourage people to waste less,by using less and using things again,in order to(harm/damage/pollute/protect)the environment.

5/Please collect all the recyclable materials,and take them to the(recycle/recycled/recyclable/recycling)factory.

6/If we all use (recycle/reusable/old/waste)bags,we’ll help the environment.

7/These three Rs(stand up/stand for/ask for/means)reduce,reuse and recycle.

8/If there is a rubbish bin in every class,the classroom will become(harmful/lighter/dirtier/cleaner).

9/You should put the food in a reusable box (by/inteadof/because of/without)plactic bag.

10/My brother and I will give last years’s clothes to(a shop/people/a charity/a survey)intead of throwing them away.

11/Alternatine sources of energy (is/was/has been/will be)developed in the near future.

12/Fossil fuels are very common in our society(renew/provide/waste/pollute)the environment.

13/By the middle of the 21 cetury,people in developing countries(uses/will be using/used/have used)more renewable energy.

14/Hydropower is(limited/unlimted/abundant/enough)because dams cannot be built in certain areas.

15/The wind,the sun,and the wave are some types of(alternative/changeble/cheap/costly)sources of energy.

16/People won’t use flying cars(before/after/during/enough/)the year 2050.

17/We believe that urban transport pods can travel(with/at/in/on)around 30 kph.

18/My brother and I often come to school(with/by/in/on)foot.

19/The whiet cat is Halen’s,and the black cat is(my/mine/I/of mine).

20/This is Lan’s hat,and those shoes are(her/hers/our/their).

2
19 tháng 4 2018

làm được nhưng ko biết giải thích thế nàohihi

19 tháng 4 2018

CHOOSE THE BEST ANSWER(VÌ SAO)

1/If we(repeat/recycle/rewrite/remark)waste paper,you will save a lot of trees.

2/Why do you often forget to(turn on/turn off/close/shut down)the lights when you go out of the classroom.

3/If we plant more trees in the school yard,the school will become a(greener/darker/dirtier/more polluted) palace.

4/”Reduce,reuse,recycle”is sail to encourage people to waste less,by using less and using things again,in order to(harm/damage/pollute/protect)the environment.

5/Please collect all the recyclable materials,and take them to the(recycle/recycled/recyclable/recycling)factory.

6/If we all use (recycle/reusable/old/waste)bags,we’ll help the environment.

7/These three Rs(stand up/stand for/ask for/means)reduce,reuse and recycle.

8/If there is a rubbish bin in every class,the classroom will become(harmful/lighter/dirtier/cleaner).

9/You should put the food in a reusable box (by/intead of/because of/without)plactic bag.

10/My brother and I will give last years’s clothes to(a shop/people/a charity/a survey)intead of throwing them away.

11/Alternatine sources of energy (is/was/has been/will be)developed in the near future.

12/Fossil fuels are very common in our society(renew/provide/waste/pollute)the environment.

13/By the middle of the 21 cetury,people in developing countries(uses/will be using/used/have used)more renewable energy.

14/Hydropower is(limited/unlimted/abundant/enough)because dams cannot be built in certain areas.

15/The wind,the sun,and the wave are some types of(alternative/changeble/cheap/costly)sources of energy.

16/People won’t use flying cars(before/after/during/enough/)the year 2050.

17/We believe that urban transport pods can travel(with/at/in/on)around 30 kph.

18/My brother and I often come to school(with/by/in/on)foot.

19/The whiet cat is Halen’s,and the black cat is(my/mine/I/of mine).

20/This is Lan’s hat,and those shoes are(her/hers/our/their).

Read the passage and complete the sentencesEnergy is fundament to human beings. Many poor people in developing countries do not have modern sources of energy like electricity or natural gas, with which their life can be improved.   People who live in mountainous areas have to gather wood for fuel. This takes a lot of time. For many people living in rural areas, biogas is the largest energy resource available. The main use of biogas is for cooking and heating, but it can also provide energy...
Đọc tiếp

Read the passage and complete the sentences

Energy is fundament to human beings. Many poor people in developing countries do not have modern sources of energy like electricity or natural gas, with which their life can be improved.

   People who live in mountainous areas have to gather wood for fuel. This takes a lot of time. For many people living in rural areas, biogas is the largest energy resource available. The main use of biogas is for cooking and heating, but it can also provide energy for public transport. As biogas is smoke-free, it helps the problem of indoor air pollution. Moreover, it is made from plant waste and animal manure. They cost almost nothing.

   The tendency to use renewable energy sources in developing sources in developing countries is on the increase as non-renewable ones are running out. In the future, the wind and the sun will be uses as the most important environmentally friendly energy sources.

Question: Biogas helps solve the problem of indoor ________________________.

1
23 tháng 7 2019

Đáp án: air pollution

Read the following passage and decide if it is T or F.   Energy is one of the problems that many people are interested in. It is not an unfamiliar word. It is heard, said, discussed day after day. It is close to everyone’s daily life. You turn on a lamp and it is energy that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you movement. You cook your meals and it is energy that gives you heat to boil...
Đọc tiếp

Read the following passage and decide if it is T or F.

   Energy is one of the problems that many people are interested in. It is not an unfamiliar word. It is heard, said, discussed day after day. It is close to everyone’s daily life. You turn on a lamp and it is energy that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you movement. You cook your meals and it is energy that gives you heat to boil rice.

   The problem is that the demand for energy is rising and that the price of energy is getting higher and higher. The supply of energy on earth is limited. It cannot provide us forever. The shortage of energy in the future is inevitable. Therefore, saving energy is a must if we want to continue to live in a safe and sound world.

* Notice:

   familiar: thân thuộc

   demand: nhu cầu

   inevitable: chắc chắn xảy ra

___ If we want to continue to live in a safe and sound world, we have to save energy.

1
21 tháng 11 2017

Đáp án: T

Read the following passage and decide if it is True or False   Many people still believe that natural resources will never be used up. Actually, the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnharm of the New England Institude of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear...
Đọc tiếp

Read the following passage and decide if it is True or False

   Many people still believe that natural resources will never be used up. Actually, the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnharm of the New England Institude of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

   However, many people do not approve of using nuclear power because it’s very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations.

   The most effective thing is that we should use natural resources as economical as possible.

According to Professor Marvin Burnham, solar energy will be used as a substitute for natural resources. ___________

1
10 tháng 11 2018

Đáp án: F