Choose the word or phrase that could best explain the underlined word or phrase in each sentence.
1. The floor was covered in tiny pieces of paper.
A. unimportant B. very large C. extremely small D. many
2. If modern technology did not exist, we would never have such precious information.
A. detailed B. precise C. confidential D. valuable
3. Some marine animals are dangerous to humans.
A. living in the mountain C. living in the ocean
B. living in the forest D. living in the house
4. Sperm whales and sharks are carnivores.
A. animals that only eat plants C. animals that eat meat
B. fish that aren't bỏn from eggs D. animals that live in the sea

Shark 

Most people are afraid of sharks but some sharks are not dangerous. There are many different kinds of shark. All sharks eat fish and a few 1......(still ; also ; ;too) eat plants. The whale shark is biggest shark in the world 2.......( so ; but ; if ) it eats only the smallest fish and plants.Sharks 3.......(should ; can ; need) live in hot or cold water and they never 4.......( stop ; stopped ; stopping ) swimming-they sleepand swim at the same time! They swim very fast and they look 5........(to ; after ; for) food in big groups. They can't see very 6.......( well ; good ; bettet ) so they use their noses to find food. If a shark is very hungry, it will eat any fish that swims 7........(across ; past ; before). Sometimes one shark will start eating 8..........( others ; other ; another ) shark that gets in 9........(its ; their ; another) way. Only a few kinds of sharks eat people, and this 10.........( has ; does ; is ) not happen very often. We should remember that the sharks in films are very different from the sharks that live in our seas !

ai còn thức thì giải hộ mik bài này với, cảm ơn trước !!!

we are destroying the Earth . The seas and rivers are too dirty to swim in . There is too smoke in the air in many cities in the world , we are cutting down too many trees . We are burning the forests . We are also destroying a lot of plants and animals . Many areas of Earth are wasteland . Farmers in many parts of the world can not have enough to eat . In some countries there is too little rice . The Earth is in danger . Save the Earth

why can't farmers in very parts of the word grow enough to eat ?

what do you think we should to do save the earth ?

1. The new laws will be.....to restrict wildlife destruction

A. pasted B.passed C.supplied D.taken away

2. Harmful insects must be...to protect our crops

A.conserved B.protected C.destroyed D.cultivated

3. Choose the word that has the main stress placed differently from the others

A.introduce B.peacefully C.consequence D.inflience

4. Thanh:" Would you like to go to the movies tonight?" Mai:"...."

A. No I don't like B. Yes I'd like C. Of course D. I'd love to

5. Up to now, we have hardly estimated the.... that our country suffered during the war

A.destroy B.destroyable C.destructive D.destruction

6. People don't use this road very often

A. This road is not used very often

B. Not very often this road is not used

C. This road very often is not used

D. This road not very often is used

7. The... is the air, water, land inor on which people animals and plants live

A.consequence B.environment C.planet D.resource

8. They cancelled all flights because of fog

A. All flights because of fog were cancelled

B. All flights were cancelled because of fog

C. All flights were because of fog cancelled of fog

D. All flights were cancelled by them because of fog

9. Fire is the greatest danger.....forests

A.on B.of C.to D.in

10. We cannot clean up our polluted rivers and seas....

A.during the night B.at night C.very quickly D.very slowly

Doc doan van:

Water is our life soucre. It makes up seventy percent of our bodies, and the average person actually...(1)...eighteen months ih the bath or shower.

However, it is till now that we are learning how to...(2)...water. Acid rain has polluted as many as 18000 lakes and our seas and rivers are polluted..(3)...waste products. It is now very ecpensive to repair the damage...(4)...has been caused. However, we have some hope for the future. New sources of water have been discovered in parts of the world...(5)...we have learnt something from our mistakes, we will have to try to keep our new sources clean

1. A. takes B. gets C. has D. spends

2. A. look after B. look over C. turn over D. turn up

3. A. in B. with C. from D. under

4. A. this B. whose C. that D. where

5. A. although B. moreover C. if D. unless

These days it is impossible to open a newspaper (1)....................... reading about the damage we are doing to the environmet. The earth is being threatened (2)....................... the future looks bad. (3)....................... can each of us do?

We cannot clean (4)....................... our polluted rivers and seas overningt. Nor can we stop the (5)....................... of plants and animals. But we can stop adding to the problen(6)....................... scientists look for answers.

It may not be easy to change your lifestyle (7)....................... but some steps are easy to take; cut down the amount of driving you do, or use as little plastic as possible. It is also easy to save (8)......................., which also (9).................... household bills. We must all make a personal decision to work for the future of our planet if we want to ensure a better world (10)....................... our grandchildren.

1. a. with b. without c. and d. but

2. a. and b. however c. so d. moreover

3. a. Where b. When c. Why d. What

4. a. up b. to c. on d. in

5. a. appear b. appearance c. disappear d. disappearance

6. a. when b. during c. while d. within

7. a. complete b. completeteness c. completely d. to monplete

8. a. water b. energy c. money d. health

9. a. adds b. decreases c. reduces d. supplies

10. a. from b. for c. to d. in

III. Choose the word or phrase that could best explain the underlined word or phrase
in each sentence.
1. If modern technology did not exist, we would never have such precious information.
A. valuable

B. precise

C. confidential

D. detailed

2. Some marine animals are dangerous to humans.

A. living in the mountain

B. living in the ocean

C. living in the forest

D. living in the house

3. The floor was covered in tiny pieces of paper.

A. unimportant

B. many

C. very large

D. extremely small

4. Sperm whales and sharks are carnivores.

A. animals that live in the sea

B. animals that only eat plants

C. fish that aren't born from eggs

D. animals that eat meat

5. We enjoyed the warm water of the Gulf of Thailand.
A. a small sea
B. a large area of ocean almost surrounded by land
C. a part of the sea enclosed by a wide curve of the shore
D. a large area of water surrounded by land