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Ruby Tran

Chủ đề:

Bài 9: Công thức hóa học

Câu hỏi:

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Câu trả lời:

1.Trong đời sống, bản vẽ kĩ thuật giúp người tiêu dùng sử dụng các sản phẩm một cách hiệu quả và an toàn.Vây nên bản vẽ kĩ thuật được xem là một phương tiện thông tin gắm liền mối quan hệ giữa nhà sản xuất và người tiêu dùng.

2.Khi chiếu 1 vật thể lên mặt phẳng ,hình nhận được trên mặt phẳng đó gọi là hình chiếu của 1 vật.

 Phép chiếu xuyên tâm. Đặc điểm: các tia chiếu xuất phát từ một điểm

 Phép chiếu song song. Đặc điểm: các tia chiếu song song với nhau

 Phép chiếu vuông góc. Đặc điểm: các tia chiếu vuông góc với mặt phẳng chiếu

 Hình chiếu đứng: ở góc trái bản vẽ

 Hình chiếu bằng: ở dưới hình chiếu đứng

 Hình chiếu cạnh: ở bên phải hình chiếu đứng

3.K.Đ.Đ là hình được bao bởi các đa giác phẳng

   Hình H.C.N được bao bởi 6 hình chữ nhật

   Hình L.T.Đ đc bao bởi 2 mặt đáy là các hình đa giác đều=nhau và các mặt bên là các hình chữ nhật=nhau

4.

 Khi quay ...(hình chữ nhật) một vòng quanh một cạnh cố định ,ta được hình trụ

b) Khi quay ...(hình tam giác vuông) một vòng quanh một cạnh góc vuông cố định ,ta được hình nón 

c) Khi quay ...(nửa hình tròn ) một vòng quanh đường kính cố định ,ta được hình cầu 

Chức bạn lm bài tốt nhé !

 

Câu trả lời:

 

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Ruby Tran

Chủ đề:

Unit 3 : At home

Câu hỏi:

TEST 1

I. Choose the correct answer. (5 pts)

1. My friends usually ________my sense of humor.

A. know

B. love

C. enjoy

D. see

2.There are lots of parties _________Christmas.

A.on

B.about

C.of

D.at

 

3. Would you like to ______to dinner tomorrow?

A.come

B.visit

C.travel

D.been

4.Deaf-mutes can ______speak _____hear.

A.both......and

B.either......or

C.not......only

D. neither....nor.

5.John's volunteer work does not _______his work.

A.infect

B.infection

C.affective

D. affect

6. Tom is very __________but his sister is outgoing.

A. humorous

B. reserved

C. hard-working

D. sociable

7. She was a very ________child.

A. health

B. healthy

C. healthily

D. healthiness

8. Will she be annoyed that you forgot to phone?

A. displeased

B. pleased

C. please

D. pleasure

9.Please wait _______for your turn.

A.upstair

B.outside

C . downstair

D. downstairs

10. ________is a building in which movies are shown.

A. Movie theater

B. University

C. Aquarium

D. Restaurant

II. Use the correct form of the word. (2.0 pts)

1. My uncle often spends his free time doing volunteer work at a local __________ ( orphan ).

2.Athens is _________for its ancient buildings. (fame)

3.Tim is a humorous ______(writing)

4.HCMC is an important _________center (commerce)

III.Rearrange(int)

1.A/walked/pretty/into/young/the/girl/room/the

>

2.She/couldn't/bus/enough/the/run/fast/to/catch

>

IV.Rewrite(2pts)

1.I feel tired.(take a day off)

àI'm

2.She can speak EL well. She can pass the test.

à She can

3.It takes me 15 minutes to drive home.

àI spend.

4.The dresses are lovely.

à What

 

TEST 2 (UNIT 1)

I. Choose the word / phrase (A, B, C or D) that best fits the space in each sentence

1. _______you like to go to the theater with us?

A. Will

B. Are

C. Could

D Would

2. Are you interested ____ancient monuments ?

A. in

B. to

C. of

D. with

3. Are you free _________Tuesday?

A. in

B. with

C.on

D. at

4. He can speak English very well and ______can his sister.

A so

B. too

C. either

D. neither

5. I received a letter _______your aunt last week.

A. of

B. in

C from

D. on

6. _________a nice dress!

A. How

B. Where

Ć What

D. Which

7. We enjoy _________ around the world.

A. travel

B. to travel

C. traveled

D. traveling

8. His idea is quite different __________mine.

A. with

B. of

C from

D. on

9. I live________101 Hung Dao Vuong street.

A. on

B. in

C. to

D at

10. He is not _______get married.

A. enough old to

B. enough old for

C. old enough to

D. old enough for

II. Choose the word or phrase (A, B, C or D) that best fits the blank space in the following passage

Nien was Hoa's next-door neighbor (11) ______Hue. She is very beautiful. She has big brown eyes and a lovely smile. Last week, she (12)_________ to Ha Noi to visit Hoa. They traveled around the city and saw a lot (13) _________ interesting

places. Nien thinks Ha Noi is (14)_______ but so noisy and busy, so she doesn't like to live there.

11.A. on B. in C. at D. of

12. A. go B. going C. will go D. went

13. A of B. to C. for D. off

14. A. beauty B. beautiful C. beautifully D.beautify

IV. Word form :

19. Lan always cycles ________to school.(quick)

20. Long plays badminton _______.(good)

21. What a __________dress!(love)

22. She plays the piano________(beautiful)

23. The children are always ___________(noise)

24. What a ________party! (bore)

25. Steel is very __________for building. (use)

26. When being a child, she received a good ________ (educate)

V. Use the correct tense or form of the verb given in each sentence

27. Hoa (live) ________in Hue last year.

28. Last week, she (go) _________to Ha Noi

29. Would you like (go)_________to the movies ?

30. They enjoy (play) ________football for their school team.

31. My sister is old enough (go)_______to school by herself.

32. I (receive)__________a letter from my friend yesterday.

33. Most rivers (flow)._______into the sea.

34. Bees (make)_____honey.

35. Don't (talk) ________in class!

36. She (meet)_______her old friends tonight.

VI. Read the passage, then decide if the statements that follow it are True or False

Hang is fourteen years old. She is a pretty girl with long black hair. She goes to school five days a week and usually goes swimming with some friends on Saturday mornings. She lives in a large house with her mother, father and younger brother at 2/34 Nguyen Trai Street. Hang has a lot of friends. Of all her friends, Nga and Thuy are the ones she spends most ofher time with. They are all like listening to music and playing sports in their free time.

37. Hang is 14 years old ____________

38. She goes to school seven days a week. ____________

39. She lives at 2/34 Nguyen Trai Street. ____________

40. She lives with her parents in a small house. ____________

 

VII. Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it

41. Let's play badminton.

 What about

42. Hoa is younger than Hong

 Hong is not

43. What's your address ?

Where

44. He is strong. He can carry that suitcase.

He is strong enough

45. Long is taller than Hung.

Hung is

46. Let's go out tonight

 Why don't

47. He can't lift all those suitcases because he's too weak.

He is not(enough)

48. Minh drives carefully.

Minh is a

49. He studies well.

He is a