Dịch các câu sau sang tiếng anh thông qua từ mới và công thức:

1. Vật +need +Ving

-Con mèo cần được ăn

→.........................................

2. nationwide: toàn quốc

-Lễ quốc khánh được tổ chức toàn quốc vào ngày 2 /9

→...............................................................

3. to be similar to ST : giống với

-Câu trả lời của tôi giống với câu trả lời của bạn

→.......................................................

4. It's time for so to do ST : đã đến lúc ai đó làm gì

-Đã đến lúc chúng ta về nhà

→.............................................................

5. in order to + V (bare): để làm gì

-Tôi học tiếng anh để tìm một công việc tốt

→.........................................................

6. Compulsory: bắt buộc

- Học tiếng anh là bắt buộc ở trường cấp 2

→...............................................................

7. suit: hợp về màu sắc

- Màu vàng hợp với bạn

→.................................................................

8. agriculture : ngành công nghiệp

- Hầu hết người Việt Nam làm công nghiệp

→...................................................................

9. public transport :phương tiện giao thông công cộng

- Tôi không thích sử dụng phương tiện giao thông công cộng

→......................................................................

10. look forward to+ Ving: trông đợi

Tôi đang trông đợi gặp bạn

→.........................................................................

11. congratulate SO on doing ST : chúc mừng ai về việc gì

- Cô ấy chúc mừng tôi đã chiến thắng cuộc thi

→.....................................................................

12.Whose : của người mà..../ của vật mà......

- Cái bàn, chân của nó bị gãy, thì rất đẹp

→..................................................................

13. admit+ Ving : Thú nhận đã làm gì

- Tuấn Anh thú nhận đã ăn trộm 200 đồng của chị Trà My

→..........................................................................

Cho hai gương G1; G2 có mặt phản xạ quay vào nhau và tạo với nha một góc α (anpha) như hình vẽ. Tia tới SI được chiếu lên gương G1 lần lượt phản xạ 1 lần trên gương G1 và 1 lần trên G2. Biết góc tới trên gương G1= 40^o,tìm góc α để cho tia tới trên gương G1 và tia phản xạ trên gương G2 vuông góc với nhau

III. Choose the best option to complete these following sentences.

1. The train will leave _______ ten minutes.

A. in B. for C. at D. about

2.What is the _______ of your country?

A. introduction B. population C separation D. pollution

3. Did Lan use to _______ to Maryam?

A. write B. written C. writing D. wrote

4. Is there _______ for every one?

A. wine enough B. enough wine C. enough of wine D. of wine enough

5. Does the grass need _______?

A. be cut B. cut C. cutting D. to cut

6. You ‘d better _______ harder.

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

7. We are all _______ by the football match.

A. decorated B. to decorate C. decorating D. decorate

8. I wanted some coffee but there was _______ in the pot.

A. any B. no C. out D. nothing

9. they have made a lot of progress _______ the country became independent.

A. for B. since C. before D. until

10. She remembered _______ the gas before going out.

A. turn on B. turning on C. turn off D. turning off
11. We think that Mother’s Day should be celebrated _______ .

A. nationwide B. national C. nation D. native
12. _______ difficult the problem is, he will try to solve it.

A. However B. Whatever C. How D. What
13. Do you know a shop _______ I can buy sweets and newspapers?

A. that B. which C. where D. if
14. My mother is one of the women who _______ money.

A. enjoys to spend B. enjoys spending

C. enjoy spending D. enjoy to spend
15. Their exports are just _______ ours.

A. similar B. like C. as D. same

16. You may put money in a small coin bank, _______ a piggy bank at home to keep it safe.

A. as such B. such C. such as D. so
17. It is time you _______ hard for the exam.

A. to revise B. revise C. revised D. revising
18. I live in Dalat, _______ is one of the most beautiful cities of Vietnam.

A. who B. where C. which D. that
19. There was only one student in the classroom _______ his lesson yesterday.

A. prepares B. to prepare C. was preparing D. preparing
20. Joe got his sister _______ and washing for him.

A. do the cooking B. to do the cooking

C. does the cooking D. to do cooking

21. You should try your best _______ your parents can be proud of you

A. so that B. in order to C. in order that D. A and C

22.Did you enjoy the licnic?

- It was okay but I'd rather _______ to a movie

A. go B. be going C. have gone D. went

23.I don't think that red dress _______ her

A. suits B. matches C. fit D. agrees

24.The use of helmet is _______ in many states.Failture to wear them may result in fine.

A. compulsory B. important C. good D. optional

25.My brother _______ all the morning, and he was very tired

A. has been working B. had been working

C. worked D. working

26.Nobody likes her, _______?

A.does she B.do they C.don't they D.doesn't she

27.In the US _______ the states but hawaii is an iland

A.neither of B.None of C.no of D.all of

28.Jack is a good student _______ languages

A.of B.for C.in D.from

29.About two third of Vietnamese work _______ agriculture

A.a B.an C.the D. no article

30. Do you often watch _______ broadcast on TV ?

A. lively B. living C. alive D. live

31. He told me _______ the safe before he left.

A. to remember to lock B. remember locking

C. to remember locking D. remember to lock

32. _______ people use public transport, there will be less pollution.

A. Unless B. If C. Since D. A and C are correct

33. When the telephone rang, she _______ a letter.

A. was writting B. was written C. was writing D. wrote

34. I am looking forward to _______ from you.

A. hear B. heard C. be heard D. hearing

35. The World Cup _______ every four years.

A. is held B. has been C. is made D. is taken

36. The Blacks live in the house _______ the green doors.

A. have B. with C. which D. has

37. It’s very kind _______ you to help me with my homework.

A. for B. of C. to D. with

38. I sent a card to congratulate Nam _____ winning the first prize in the English speaking contest.

A. about B. for C. on D. of

39. _______ I had an umbrella, I got very wet in the rain.

A. In spite of B. Despite C. Even though D. As long as

40. The fire alarm _______ and we all rushed out.

A. went off B. turned out C. exploded D. A and C are correct.

41. Susan _______ her keys. She can’t find them anywhere.

A. loses B. has lost C. lost D. has been lost

42. I’m late, _______ ?

A. am I B. am not I C. aren’t I D. are I

43. This subject, _______ , is very important.

A. which we are going to discuss B. which is going to discuss

C. that we are going to discus D. A and C are correct

45. Hellen was looking after a dog _______ in an accident.

A. which leg had been broken B. whose leg had been broken

C. its leg had been broken D. that leg had been broken

46. You _______ more exercise if you ……….. to keep fit.

A. can make/ want B. ought to do/want

C. should take/ want D. might do/ want

47. Ann _______ going for a walk, but no one else wanted to.

A. admitted B. offered C. promised D. suggested

48. The police officer stopped me and asked me where _______.

A. were I going B. I were going C. was I going D. I was going

49. We are tired of living in a big city. We wish we _______ in a small village in the countryside.

A. live B. lived C. had lived D. had been living

50. After _______ by the police, the man admitted _______ the car.

A. being stopped/ stealing B. stopping/ stealing

C. being stopped/ to steal D. stopping/ being stolen

ose the best option to complete these following sentences.

1. The train will leave _______ ten minutes.

A. in B. for C. at D. about

2.What is the _______ of your country?

A. introduction B. population C separation D. pollution

3. Did Lan use to _______ to Maryam?

A. write B. written C. writing D. wrote

4. Is there _______ for every one?

A. wine enough B. enough wine C. enough of wine D. of wine enough

5. Does the grass need _______?

A. be cut B. cut C. cutting D. to cut

6. You ‘d better _______ harder.

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

7. We are all _______ by the football match.

A. decorated B. to decorate C. decorating D. decorate

8. I wanted some coffee but there was _______ in the pot.

A. any B. no C. out D. nothing

9. they have made a lot of progress _______ the country became independent.

A. for B. since C. before D. until

10. She remembered _______ the gas before going out.

A. turn on B. turning on C. turn off D. turning off

11. We think that Mother’s Day should be celebrated _______ .

A. nationwide B. national C. nation D. native

Gọi I1 : I2 ; I làn lượt là cường độ dòng điện qua Đ1: Đ2; mạch chính .

a, Biết ampe kế A1 chỉ 0.25A, Am pe kế A2 chỉ 0.35 A. Tính cường độ dòng điên đi qua Đ1,Đ2 và đi qua mạch chính

b, Nếu I= 0.6 A, I1= 0.2 A. Hãy tính I2 và số chỉ của các Ampe kế

c, Đặt vào hai đầu nguồn điện, hiệu điện thế là 12 V. Vôn kế mắc vào 2 đầu Đ1 chỉ 4V. Tìm hiệu điện thế hai đầu đèn Đ2