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28 tháng 5 2019

Đáp án Đ

Giải thích: Chủ ngữ là “chemicals” (hóa chất) => mang nghĩa bị động => được tiêm

Dịch nghĩa: Ngày nay, các hóa chất được tiêm vào một vài loại hoa quả để giảm sự thối rữa

8 tháng 2 2018

(1). I am one of your closed friends, ............? A. am not I B. will be C. aren't I D. am I

(2). If people go on destroying the environment, there ......... more disasters. A. Will be B. Are C.Waste D. reduce

(3). We should take a shower instead of a bath to ........ water. A. use B. save C. waste D. reduce

(4). Because plastic bags are very hard to .............They will cause pollution. A. dissolve B. wrap C. tear D. collect

(5). People nowadays are interested ............ saving money and natural resources. A. on B. in C. with D. to

(6). I've ........... my glasses everywhere but I can't find them anywhere. A. looked B. looked after C. looked for D. looked into

Use your own idea to complete the following sentences:If we keep hunting animals, ........................................If we cut down all the trees, ........................................Read the text and say these statementa are true or false:Land pollution:If we don'recycle plastic and glass, they stay in the ground for a long time. Dangerous chemicals can also go underground, where they are harmful to plants and animals. Whenever we recycle bottles and cans, we reduce land...
Đọc tiếp

Use your own idea to complete the following sentences:

If we keep hunting animals, ........................................

If we cut down all the trees, ........................................

Read the text and say these statementa are true or false:

Land pollution:

If we don'recycle plastic and glass, they stay in the ground for a long time. Dangerous chemicals can also go underground, where they are harmful to plants and animals. Whenever we recycle bottles and cans, we reduce land pollution.

Airpollution:

Some power plants and factories put pollution into the air. Cars trucks and planes can also cause air pollution. Whenever we ride a bike or keep the air conditioner low, we reduce air pollution.

Waterpollution:

The same plastics and chemicals that are harmful to our land can also be found in our ocean, rivers and lakes.

Whenever we recycle garbage or shut off the water pollution. 

Write True(T) or False(F):

1.Plastics, glasses and chemicals underground are harmful to plants and animals.

2. Land pollution is cause by dangerous chemicals in the ground.

3. We should recycle plastic and glass to reduce land pollution.

4. Air pollution only cause by cars, trucks and planes.

5. We can reduce air pollution by building more power plants and factories.

6. Water pollution is causes by some plastics and chemicals in the seas, rivers and lakes.

7. We recycle garbage and shut off the water to increase water pollution.

Ai nhanh mik tick cho tick.

0
14 tháng 3 2019

Kiến thức: Từ vựng

Giải thích:

origin (n): gốc, nguồn gốc, căn nguyên                                                        source (n): nguồn

resource (n): tài nguyên                                                  cause (n): nguyên nhân

Tạm dịch: Một số thực phẩm là nguồn dinh dưỡng tốt bao gồm trái cây, rau và ngũ cốc.

Chọn B 

2 tháng 8 2016

         

     Many people nowadays have to......wear.............false teeth when they are....age................ The reason is that tooth.......decay..........increases a lot. The amount to......sugar............in our food also increases. Doctors and dentists now know that sugar is the chief..........cause..........of tooth decay. Eskimos'.........teeth..........., for example, started to decay when they began to...........eat......... sweeter food.

 

              Long ago doctors did not like to..........treet........people's teeth. Barbers and blacksmiths looked after people's teeth and.......pulled...........them out when they decayed. Some people.......thought...........toothache was a punishment from the gods.

2 tháng 8 2016

 

Choose the suitable word in the box to fill in each gap: cause ; decay ; eat ; middle-aged ; pulled ; sugar ; teeth ; thought ; treat ; wear

              Many people nowadays have to wear false teeth when they are.age The reason is that tooth decay increases a lot. The amount to sugar in our food also increases. Doctors and dentists now know that sugar is the chief cause of tooth decay. Eskimos'teeth , for example, started to decay when they began to eat sweeter food.

              Long ago doctors did not like to treet people's teeth. Barbers and blacksmiths looked after people's teeth and pulled them out when they decayed. Some people thought oothache was a punishment from the gods.

It is very important to have healthy teeth. Good teeth help us to chew our food. They also help us to look nice. How does a tooth go bad ? The decay begins in a little crack in the enamel covering of the tooth. This happens after germs and bits of food have collected there, then the decay slowly spreads inside the tooth. Eventually, poison goes into the blood, and we may feel quite ill. How can we keep our teeth healthy? Firstly, we ought to visit our dentist twice a year. He can fill the...
Đọc tiếp

It is very important to have healthy teeth. Good teeth help us to chew our food. They also help us to look nice. How does a tooth go bad ? The decay begins in a little crack in the enamel covering of the tooth. This happens after germs and bits of food have collected there, then the decay slowly spreads inside the tooth. Eventually, poison goes into the blood, and we may feel quite ill.


How can we keep our teeth healthy? Firstly, we ought to visit our dentist twice a year. He can fill the small holes in our teeth before they destroy the teeth. He can examine our teeth to check that they are growing in the right way. Unfortunately, many people wait until they have toothache before they see a dentist. Secondly, we should brush our teeth with a toothbrush and fluoride toothpaste at least twice a day - once after breakfast and once before we go to bed. We can also use wooden toothpicks to clean between our teeth after a meal. Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables and fresh fruit. Chocolates, sweets, biscuits and cakes are bad, especially when we eat them between meals. They are harmful because they stick to our teeth and cause decay.
Câu 40: Good teeth mainly help us to _____.
A. look nice B. look important C. have good eyesight D. chew our food
Câu 41: When food and germs collect in a small crack, our teeth _____.
A. send poison into the blood B. become hard
C. begin to decay D. make us feel quite ill
Câu 42: A lot of people do not visit a dentist until _____.
A. they have holes in their teeth B. they have brushed their teeth
C. their teeth grow properly D. they have toothache
Câu 43: What may be most harmful to our teeth?
A. raw vegetables B. sweet things C. fresh fruit D. red rice
Câu 44: The best title for the passage would be _____.
A. “How to clean our teeth” B. “How to make our teeth nicer”
C. “How to keep our teeth healthy” D. “How to keep our teeth ever white”
Câu 45: The word “unfortunately” is closet in meaning to
A. However B. Because C. Therefore D. Although
Câu 46: How many steps can we protect our teeth heath?
A. 5 B. 2 C. 3 D. 4
Câu 47: Which of the following sentences is true ?
A. Sweet food is good for our teeth.
B. We should use wooden toothpicks to clean between our teeth after a meal
C. Poison can spread inside the tooth but can’t go into blood.
D. Decay happens before germs and bits of food have collected our teeth.

Chọn đáp án đúng:

Câu 48: “I’m sorry I have to leave so early,” he said.
A. He apologized that he has to leave early. B. He apologized to have left early.
C. He apologized for having to leave early D. He apologized to have to leave early
Câu 49: We didn’t recognize him until he came into the light.
A. It was not until we didn’t recognize him that he came into the light.
B. It was not until he came into the light that we recognized him.
C. It was not until we recognized him that he came into the light.
D. It was not until he came into the light that we didn’t recognize him.
Câu 50: He played some games and then went to bed.
A. After he had played some games, he went to bed.
B. While he was playing some games, he was going to bed.
C. He went to bed before having played some games.
D. Playing some games, and then he had gone to bed.

1
12 tháng 1 2020

It is very important to have healthy teeth. Good teeth help us to chew our food. They also help us to look nice. How does a tooth go bad ? The decay begins in a little crack in the enamel covering of the tooth. This happens after germs and bits of food have collected there, then the decay slowly spreads inside the tooth. Eventually, poison goes into the blood, and we may feel quite ill.


How can we keep our teeth healthy? Firstly, we ought to visit our dentist twice a year. He can fill the small holes in our teeth before they destroy the teeth. He can examine our teeth to check that they are growing in the right way. Unfortunately, many people wait until they have toothache before they see a dentist. Secondly, we should brush our teeth with a toothbrush and fluoride toothpaste at least twice a day - once after breakfast and once before we go to bed. We can also use wooden toothpicks to clean between our teeth after a meal. Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables and fresh fruit. Chocolates, sweets, biscuits and cakes are bad, especially when we eat them between meals. They are harmful because they stick to our teeth and cause decay.
Câu 40: Good teeth mainly help us to _____.
A. look nice B. look important C. have good eyesight D. chew our food
Câu 41: When food and germs collect in a small crack, our teeth _____.
A. send poison into the blood B. become hard
C. begin to decay D. make us feel quite ill
Câu 42: A lot of people do not visit a dentist until _____.
A. they have holes in their teeth B. they have brushed their teeth
C. their teeth grow properly D. they have toothache
Câu 43: What may be most harmful to our teeth?
A. raw vegetables B. sweet things C. fresh fruit D. red rice
Câu 44: The best title for the passage would be _____.
A. “How to clean our teeth” B. “How to make our teeth nicer”
C. “How to keep our teeth healthy” D. “How to keep our teeth ever white”
Câu 45: The word “unfortunately” is closet in meaning to
A. However B. Because C. Therefore D. Although
Câu 46: How many steps can we protect our teeth heath?
A. 5 B. 2 C. 3 D. 4
Câu 47: Which of the following sentences is true ?
A. Sweet food is good for our teeth.
B. We should use wooden toothpicks to clean between our teeth after a meal
C. Poison can spread inside the tooth but can’t go into blood.
D. Decay happens before germs and bits of food have collected our teeth.

Chọn đáp án đúng:

Câu 48: “I’m sorry I have to leave so early,” he said.
A. He apologized that he has to leave early. B. He apologized to have left early.
C. He apologized for having to leave early D. He apologized to have to leave early
Câu 49: We didn’t recognize him until he came into the light.
A. It was not until we didn’t recognize him that he came into the light.
B. It was not until he came into the light that we recognized him.
C. It was not until we recognized him that he came into the light.
D. It was not until he came into the light that we didn’t recognize him.
Câu 50: He played some games and then went to bed.
A. After he had played some games, he went to bed.
B. While he was playing some games, he was going to bed.
C. He went to bed before having played some games.
D. Playing some games, and then he had gone to bed.

21 tháng 12 2018

xin lối vì mình viết nhầm từ thought thành thuoght nhé :))

21 tháng 12 2018

Điền như vầy nè bn:                                   

1. wear

2. middle-age

3. decay

4. sugar

5. cause

6. teeth

7.eat

8. treet

9. pulled

10. thought

Mà mk nghĩ ko cần chữ ''middle'' đâu

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best first each of the numbered blanks from 1 to 5.Nowadays people are more aware that wildlife all over the world is in (1)________. Many species of animals are threatened, and could easily become (2)________. if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best first each of the numbered blanks from 1 to 5.

Nowadays people are more aware that wildlife all over the world is in (1)________. Many species of animals are threatened, and could easily become (2)________. if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are

caught (3)________. and sold as pets. For many animals and birds the problem is that their habitat - the place

where they live - is disappearing. More land is used for farms, for houses or industry, and there are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (4)________. wildlife. The most successful animals on earth - human beings - will soon be the only ones (5)________., unless we can solve this problem.

Điền vào ô 1

A. threat

B. problem

C. danger

D. vanishing

1
4 tháng 10 2017

C

Kiến thức: Cụm từ, đọc hiểu

Giải thích:

to be in danger: đang gặp nguy hiểm

Các từ còn lại: threat (n): mối đe doạ; problem (n): vấn đề, rắc rối; vanishing (n): sự biến mất

Đáp án:C 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27. Nowadays people are more aware that wildlife all over the world is in (23) _______. Many species of animals are threatened, and could easily become (24) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

Nowadays people are more aware that wildlife all over the world is in (23) _______. Many species of animals are threatened, and could easily become (24) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are caught (25) _____ and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there  are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (26) _____ wildlife. The most successful animals on earth - human beings - will soon be the only ones (27) _____ unless we can solve this problem.

Question 27

A. left

B. alone

C. staying

D. survive

1
30 tháng 9 2018

Đáp án A

Kiến thức về từ vựng

A. left (quá khứ phân từ): còn sót lại, còn lại          B. alone (a): một mình

C. staying (hiện tại phân từ): ở lại, ở                      D. survive (v): sống sót

Tạm dịch:

“ The most successful animals on earth - human beings - will soon he the only ones (27) ______ unless we can solve this problem.”(Con người - loài động vật thành công nhất trên Trái Đất sẽ trở thành loài duy nhất sót lại trừ khi chúng ta có thể giải quyết vấn đề này.)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.Nowadays people are more aware that wildlife all over the world is in (23) _______. Many species of animals are threatened, and could easily become (24) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

Nowadays people are more aware that wildlife all over the world is in (23) _______. Many species of animals are threatened, and could easily become (24) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are caught (25) _____ and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there  are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (26) _____ wildlife. The most successful animals on earth - human beings - will soon be the only ones (27) _____ unless we can solve this problem.

Điền vào ô 27.

A. left

B. alone

C. staying

D. survive

1
10 tháng 4 2019

Đáp án A

Kiến thức về từ vựng

A. left (quá khứ phân từ): còn sót lại, còn lại      B. alone (a): một mình

C. staying (hiện tại phân từ): ở lại, ở                     D. survive (v): sống sót

Tạm dịch:

“ The most successful animals on earth - human beings - will soon he the only ones (27) ______ unless we can solve this problem.”(Con người - loài động vật thành công nhất trên Trái Đất sẽ trở thành loài duy nhất sót lại trừ khi chúng ta có thể giải quyết vấn đề này.)