Cho nửa đường tròn (O;R) đường kính AB. H là điểm nằm bên trong nửa đường tròn. Các tia AH, BH cắt nửa đường tròn (O) lần lượt tại C, D. Giá trị của tổng AH.AC+BH.BD theo R là

Trên mặt phẳng tọa độ Oxy, cho điểm M(2;5). Khi đó đường tròn (M;5)...

Trình bày những đặc điểm cơ bản của các kiểu khí hậu gió mùa và các kiểu khí hậu lục địa. Giải thích tại sao vào mùa hạ 2 loại khí hậu trên lại khác nhau?

2. Complete the sentences.

1. She said, "Go upstairs."
→ She told me 

2. "Close the door behind you," he told me.
→ He told me 

3. "Don't be late," he advised us.
→ He advised us 

4. "Stop staring at me," she said.
→ She told him 

5. "Don't be angry with me," he said.
→ He asked her .................................................. .

6. "Leave me alone," she said.
→ She told me .................................................. .

7. "Don't drink and drive," she warned us.
→ She warned us .................................................. .

8. "John, stop smoking," she said.
→ She told John .................................................. .

9. "Don't worry about us," they said.
→ They told her .................................................. .

10. "Meet me at the cinema." he said.
→ He asked me .................................................. .

11. He said, "I like this song."
→ He said .................................................. .

12. "Where is your sister?" she asked me.
→ She asked me .................................................. .

13. "I don't speak Italian," she said.
→ She said .................................................. .

14. "Say hello to Jim," they said.
→ They asked me .................................................. .

15. "The film began at seven o'clock," he said.
→ He said that .................................................. .

16. "Don't play on the grass, boys," she said.
→ She told .................................................. .

17. "Where have you spent your money?" she asked him.
→ She asked him .................................................. .

18. "I never make mistakes," he said.
→ He said .................................................. .

19. "Does she know Robert?" he wanted to know.
→ He wanted .................................................. .

20. "Don't try this at home," the stuntman told the audience.
→ The stuntman advised .................................................. .

21. "I was very tired," she said.
→ She said .................................................. .

22. "Be careful, Ben," she said.
→ She told .................................................. .

23. "I will get myself a drink," she says.
→ She said .................................................. .

24. "Why haven't you phoned me?" he asked me.
→ He wondered .................................................. .

25. "I cannot drive them home," he said.
→ He said .................................................. .

26. "Peter, do you prefer tea or coffee?" she says.
→ She asked .................................................. .

27. "Where did you spend your holidays last year?" she asked me.
→ She asked .................................................. .

28. He said, "Don't go too far."
→ He advised her .................................................. .

29. "Have you been shopping?" he asked us.
→ He wanted .................................................. .

30. "Don't make so much noise," he says.
→ He asked .................................................. .

Giải giúp em ạ, có giải thích càng tốt.

5. The tables __________ with cloth.

     A. have covered        B. covered                     C.  to be covered            D. were covered

6. You should pay ___________ to what the instructor is saying.

     A. attendance            B. intention                    C. conservation               D. attention

7. The jokes Jack tells are as old as __________.   

     A. the earth                B. the mountains             C. the oceans                  D. the hills

8. He used to ___________ full time, but now he is a part-time worker.

     A. working                B. work                          C. worked                      D. works    

9. We often take part in many cultural   ________ at school.

     A. decorations           B. attractions                  C. activities                    D. explorers

10.This restaurant has the _________ for serving some of Korean food.

     A. dependence           B. encouragement           C. dynamite                    D. reputation

11.They have __________with her since she went to Berlin.

     A. visited                  B. invited                       C. corresponded              D. exchanged

12.Some people ________ the tourist attractions as they littered, picked flowers and walked on the grass.

     A. foamed                 B. protected                    C. spoiled                       D. preserved

13.Innovations can save money _________ conserve the Earth’s resources.

     A. as well as              B. as long as                   C. as soon as                   D. as much as

14.- Ben: “Thank you so much for a lovely party.” - Christina: “ _____________.”

     A. Thanks                 B. Have a good day         C. You’re welcome         D. Cheers

IV.Choose the best answer (A, B, C or D) for the following picture or sign.   

15. On the way, you can see this sign (A) and it warns that _____.  (A)                             

     A. You must be careful with drunk drivers.                                            

     B. You should be careful since there is a pub ahead.

     C. You shouldn’t drive under influence of drugs.

     D. You mustn’t drive a car or ride a motorbike after drinking beer or wine.

16. At the public we can see this sign (B), it means _____.              (B)                 

     A.You should not make this place tidy.                                                       

     B.Putting unused things into the garbage dump is necessary.

     C.Recycling is very important to protect the environment.

     D.You shouldn’t throw your garbage here.         

Read the passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions below.

Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.

Already many kinds of animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like great apes, the whales, seals etc. thought to be in danger of extinction.

But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs or timber and paper.

What would our world be like if all the wild animals and wild plants vanished- Would our life extinct then?

Question 28: According to the passage, which sentence is NOT true?

            A. Lack of attention would lead to the rapid advance of the process of extinction.

            B. Animals like great apes, the whales, seals etc. thought to be in danger of extinction.

            C. Whole habitats are in danger of vanishing

            D. Many hundreds of species are now not endangered.

Question 29: What is more important than individual kinds of animals and plants?

            A. The rapid advance of the process of extinction.               

B. The extinct of many species.

            C. Man’s needs of timber and paper.            

D. The vanishing of whole habitats.

Question 30: What does the writer caution us against?

            A. Hunting wild animals.                                           B. Draining marshes.

            C. Cutting down the tropical forests.             D. Destroying our environment.

Question 31: The verb “to threaten” in the passage means?

            A. to poison                B. to give fear to                     C. to pollute                D. to vanish

Question 32: What would happen to the human being if the wild life vanished?

            A. The human life would be seriously threatened.

            B. Many species would quickly become extinct.                              

C. Tropical forest would be cut down.          

D. Species would go on dying out.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence which has a similar meaning to the first one in each of the following questions.

Question 33: They last visited their hometown a year ago.

A. They have visited their hometown for a year.

B. They haven’t visited their hometown a year ago.

C. They haven’t visited their hometown for a year.

D. They haven’t visited their hometown for a year ago.

Question 34: “Will you invite Daisy to go to the cinema this weekend, Peter?”, Mary asked.

            A. Mary asked Peter if he would invite Daisy to go to the cinema that weekend.

            B. Mary asked Peter if he would invite Daisy to go to the cinema this weekend.

            C. Mary asked Peter if he will invite Daisy to go to the cinema that weekend.

            D. Mary asked Peter if he will invite Daisy to go to the cinema this weekend.

Question 35: My brother is taller than me.

            A. I am as tall as my brother.                         B. I am as short as my brother.

            C. I am taller than my brother.                                   D. I am shorter than my brother.

    Question 36: He asked her if she would meet him that weekend.

         A. He said to her: "Did you meet me that weekend?"

         B. Her question is "Will you meet me this weekend if I like?"

         C. He said: "Would you meet me one weekend if I asked you?"

         D. He said to her: "Will you meet me this weekend?"

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

Question 37: They are choosing the boys for the team. All of them are under 12.   

A. All of the boys who are being chosen for the team are under 12.

B. All of the boys whom are being chosen for the team are under 12.

C. All of the boys who are choosing for the team are under 12.

D. All of the boys whom are choosing for the team are under 12.

Question 38: We will try our best to finish the project on time.         It is very hard.           

            A. If the project is not hard, we will try our best to finish it on time.

            B. Although the project is hard, we will try our best to finish it on time.

            C. In spite of working hard, we will try our best to finish the project on time.

            D. As we work hard, we will try our best to finish the project on time.

Question 39: We had to postpone the picnic to the mountains. The weather was too bad.

            A. Since we had to postpone the picnic to the mountains, the weather was too bad.

            B. We had to postpone the picnic to the mountains because the weather was too bad.

            C. We had to postpone the picnic to the mountains however the weather was too bad.

            D. We had to postpone the picnic to the mountains and the weather was too bad.

Question 40: I always get up early in the morning. I want to go to school on time.

A. I always get up early in the morning in order go to school on time. .

B. I always get up early in the morning in order going to school on time.

C. I always get up early in the morning in order to going to school on time.

D. I always get up early in the morning in order to go to school on time.

Read the passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions below.

Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.

Already many kinds of animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like great apes, the whales, seals etc. thought to be in danger of extinction.

But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs or timber and paper.

What would our world be like if all the wild animals and wild plants vanished- Would our life extinct then?

Question 28: According to the passage, which sentence is NOT true?

            A. Lack of attention would lead to the rapid advance of the process of extinction.

            B. Animals like great apes, the whales, seals etc. thought to be in danger of extinction.

            C. Whole habitats are in danger of vanishing

            D. Many hundreds of species are now not endangered.

Question 29: What is more important than individual kinds of animals and plants?

            A. The rapid advance of the process of extinction.               

B. The extinct of many species.

            C. Man’s needs of timber and paper.            

D. The vanishing of whole habitats.

Question 30: What does the writer caution us against?

            A. Hunting wild animals.                                           B. Draining marshes.

            C. Cutting down the tropical forests.             D. Destroying our environment.

Question 31: The verb “to threaten” in the passage means?

            A. to poison                B. to give fear to                     C. to pollute                D. to vanish

Question 32: What would happen to the human being if the wild life vanished?

            A. The human life would be seriously threatened.

            B. Many species would quickly become extinct.                              

C. Tropical forest would be cut down.          

D. Species would go on dying out.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence which has a similar meaning to the first one in each of the following questions.

Question 33: They last visited their hometown a year ago.

A. They have visited their hometown for a year.

B. They haven’t visited their hometown a year ago.

C. They haven’t visited their hometown for a year.

D. They haven’t visited their hometown for a year ago.

Question 34: “Will you invite Daisy to go to the cinema this weekend, Peter?”, Mary asked.

            A. Mary asked Peter if he would invite Daisy to go to the cinema that weekend.

            B. Mary asked Peter if he would invite Daisy to go to the cinema this weekend.

            C. Mary asked Peter if he will invite Daisy to go to the cinema that weekend.

            D. Mary asked Peter if he will invite Daisy to go to the cinema this weekend.

Question 35: My brother is taller than me.

            A. I am as tall as my brother.                         B. I am as short as my brother.

            C. I am taller than my brother.                                   D. I am shorter than my brother.

    Question 36: He asked her if she would meet him that weekend.

         A. He said to her: "Did you meet me that weekend?"

         B. Her question is "Will you meet me this weekend if I like?"

         C. He said: "Would you meet me one weekend if I asked you?"

         D. He said to her: "Will you meet me this weekend?"

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

Question 37: They are choosing the boys for the team. All of them are under 12.   

A. All of the boys who are being chosen for the team are under 12.

B. All of the boys whom are being chosen for the team are under 12.

C. All of the boys who are choosing for the team are under 12.

D. All of the boys whom are choosing for the team are under 12.

Question 38: We will try our best to finish the project on time.         It is very hard.           

            A. If the project is not hard, we will try our best to finish it on time.

            B. Although the project is hard, we will try our best to finish it on time.

            C. In spite of working hard, we will try our best to finish the project on time.

            D. As we work hard, we will try our best to finish the project on time.

Question 39: We had to postpone the picnic to the mountains. The weather was too bad.

            A. Since we had to postpone the picnic to the mountains, the weather was too bad.

            B. We had to postpone the picnic to the mountains because the weather was too bad.

            C. We had to postpone the picnic to the mountains however the weather was too bad.

            D. We had to postpone the picnic to the mountains and the weather was too bad.

Question 40: I always get up early in the morning. I want to go to school on time.

A. I always get up early in the morning in order go to school on time. .

B. I always get up early in the morning in order going to school on time.

C. I always get up early in the morning in order to going to school on time.

D. I always get up early in the morning in order to go to school on time.