1. A. says B.days C. prays D. plays
2. A. husband B. surrounding C. rubbish D. plumber
3. A. information B. informative C. formal D. forward
4. A. steam B. teacher C. weather D. teamate
5. A. restaurant B. festival C. sentence D. semester
6. A. through B. shout C. household D. mountain

happy new year !

Cho các chất sau :

(1) CH₃CH₂OH

(2) CH₃CH₂CH₂OH

(3) CH₃CH₂CH(OH)CH₃

(4) CH₃OH

Dãy nào sau đây sắp xếp các chất đúng theo thứ tự độ tan trong nước tăng dần ?

A. (1) < (2) < (3) < (4).

B. (4) < (1) < (2) < (3).

C. (2) < (3) < (1) < (4).

D. (3) < (2) < (1) < (4).

1. My father ___study____ Math at university

2. We were very tired so we ____stoped___ walking

3. I ____tried_____ to pick the bag up, but it was very heavy

4. The firemen ____rescue_____ the woman from the burning house

5. The cat __jump__ up into the free

6. After the film, we _____walk____ home

7. It was very cold so we ______closed____ the window

8. You are late ! The lesson ___started___ ten minutes ago

9. The teacher____asked_____ a lot of questions yesterday

10. The programme was very funny, we __laughted__ a lot

- Marathon is considered a/an ___ sport
A. team
B. individual
C. indoor
D. sporting

2/ Complete the following sentences with the correct words from the box

1. In tennis , you _bounce ___ the ball

2. In hockey, you never ____pick up_______ the ball

3. In basketball, you _____throw_______ the ball on the floor

4. In football, you _____kick_______ the ball

5. In football, the goalkeeper needs to _____ catch_______ the ball

6. In rugby , you _______hit____ the ball to people in your team

1. She often goes to bed at 9p.m

What time does she go to bed?

2. I like hot weather because I can go swimming

Why do you like hot weather?

3. This coat is 200 dollars.

How much is this coat?

4. We had the appointment in a restaurent last week.

Where did we have the appointment last week?

5. I am going to play the piano tomorrow morning.

What are you going to do tomorrow morning?

6. She felt disappointed by the results.

-> How did she feel by the results?

7. They often travel to London by plane

-> How do they often travel to London?

8. They sometimes watch cartoon

-> How often do they watch cartoon?

9. I will eat a hamburger for dinner

-> What will you eat for dinner?

10. It is 120 kilometers from Hanoi to Haiphong

-> How far is it from Ha Noi to Hai Phong?

11. Yes, I was at home two days ago

-> Were you at home two days ago?

12. No, I won't be busy tomorrow

-> Will you be busy tomorrow?

13. It takes me 10 minutes to school.

-> How long does it take you to school?

I ___stay__ at home all weekend

Nam __went___ to the cinema last night

My friends ___had__ a great time in Nha Trang last year

Last summer I __visited __ Ngọc Sơn temple in Ha Noi

My parents __were___ very tired after the trip

I __bought___ a lot of gifts for my little .

Tập hợp sinh vật nào sau đây là quần thể sinh vật?

A. Tập hợp cây cỏ đang sinh sống trên một cánh đồng cỏ.

B. Tập hợp cá chép đang sinh sống ở Hồ Tây.

C. Tập hợp bướm đang sinh sống trong rừng Cúc phương.

D. Tập hợp chim đang sinh sống trong rừng Amazôn.

Phát biểu nào sau đây luôn đúng với amin

A. Khối lượng phân tử của amin đơn chức luôn là số lẻ.

B. Khi đốt cháy amin thu được  n H 2 O   > n C O 2  thì đó là amin no, đơn chức, mạch hở.

C. Khi đốt cháy hoàn toàn a mol amin X luôn thu được a/2 mol N₂.

D. Tính bazơ của các amin đều mạnh hơn NH₃.