1. Her dream is to become a ballerina and mine is to be a singer.

àHERS

2. Viet Nam has 54 ethnic groups.

à There

1. dream/ singer/ My/ is/ a/ become/ to/ because/ famous./ want/ I/to/ become

2. gaming room/have/ special/I/a/and/ theater/ home/a/

3. Will/ visit/aliens/ planet/future? /in/the/our

4. she had/that/in journalism/ten-year experience/She told/the interviewer/.

5. sports car/My dream is/to buy a/is to own/./and his/a car-making company

6. the most beautiful/places/Vietnam/is one of/Phú Quốc island/in

7. told/ went/He/ us/ that/to/ another/country/ month./he/every/

8. build/to/my/ want/ own mansion/I/live/ my/family./with/to

9. was/ playing/ Jane/ in/ yard/the/football/ when/ a/ UFO. / he/ saw

10. future./Mars/ I/ the/ in/think/ people/ will/ that/on/ live.

11. John/ that/ said/ that/ his/ smartphone/for/ birthday/he/ liked/a/new/to/have

1 viên chloramin B 0,25 gam dùng để khử khuẩn 25 lít nước. Tính nồng độ mol của chloramin B có trong 25 lít nước

A. 4,68.10^-5M

B. 4,86.10^-5M

C. 8,68.10^-5M

D. 8,86.10^-5M

Khi sản xuất nước ngọt có gas người ta thường nen khí carbon dioxide ở áp suất cao nhằm mục đích gì?

A. Tăng khả năng hòa tan của khí carbon dioxide trong nước

B. Giảm khả năng hòa tan của khí carbon dioxide trong nước

C. Không làm thay đổi khả năng hòa tan của khí carbon dioxide trong nước

D. Giảm nhanh lượng khí carbon dioxide trong nước

Đánh dấu vào câu có cách sử dụng đúng số lượng. Nếu câu nào sai, hãy gạch chân lỗi sai đó và sửa lại.

1. The town doesn't have enough facilities for sports and shopping
2. It can be boring here because we do not have many entertainment
3. The village doesn't have pollution because there are not much vehicles
4. There are beautiful waterfalls and lots of wild birds here
5. The air is fresh in my moutain village because there are not much traffic jams

1. The/ ago/ ten/ started/ minutes/ film /.

→ ___________________________________________

2. watch/ you/ Did/ movie/ wild/ about/ the/ night/ animals/ last/ ?

→ _____________________________________

3. is/ an/ movie/ on/ There/ action/ theater/ Saturday/ on/ at/ night/ movie/ the/.

→ _____________________________________

4. is/ Mary/ red T-shirt/ wearing/ a/ black shorts/ and/.

→ _____________________________________                      

1. I think Chinese is more difficult than English.

      → I think English …………………………………………………

2. The other people in the team are much younger than Alice.

     → Alice is….……………………………………..………

3. It’s necessary for you to bring bottled water.

     → You……………………..…………………………………

4. The library is to the left of the supermarket and the bus station is to the right of the supermarket.

      → The supermarket…………………………………………..…………………

5. It’s not good for you to go hiking today.

     → You ….…………………………………….....

6. We took the bus to the campsite.

     → We went ………………………..……………………………………

7. I want to have a cheeseburger.

      → I would ……………………………………………………

8. Why don’t we go to the movie theater?

     → Let’s ….………………………………………...

9. Simon likes playing soccer in his free time.

     → Simon’s hobby………………………………………………

10. There are three bedrooms in my house.

      → My house ……………………………………………………………

11. I like literature and geography.

     → Literature and geography ….…………………………………………

12. Mrs. Smith has a daughter, Anna.

     → Mrs. Smith is ………………………..………

1. Mount Everest is _________ (high) mountain in the world.

2. It is _________ (noisy) in big cities than in small towns.

3. I think playing sports is _______ (good) than watching TV.

4. Who’s _________ (intelligent) student in your class?

5.Minh is the___________________student in our class.                                   (GOOD)

6.July is __________________than August.                                                        (HOT)

7.These bags are _____________________than those ones.                               (EXPENSIVE)

8.Living in the city is______________________than living in the countryside.      (NOISY)

9.Who is the____________teacher in your school?                                    (YOUNG