Một quả bóng có dung tích không đổi 2,5 lít. Người ta bơm không khí ở áp suất 105Pa vào bóng. Mỗi lần bơm được 100cm3 không khí. Coi quả bóng trước khi bơ không có không khí và trong khi bơm nhiệt độ của không khí không thay đổi. Tính áp suất của khối khí trong quả bóng sau 45 lần bơm

Cho các tập hợp A = [0; 4), B = (-2; 3). Khi đó A ∩ B bằng:

A. (-2; 4)

B. (0; 3)

C. (0; 3]

D. [0; 3)

III. Use relative adverb to combine each pair of sentences below:

1. This is the house. We often stay in this house in summer.

2. I’ll show you a secondhand bookshop. You can find valuable books in this shop.

3. I have not decided the day. I”ll go to London on that day.

4. Mrs. Bond is going to spend a few weeks in Sweden. Her daughter lives in that country.

5. Mrs. Brown rang Dr.Brown. He was going to carry out an urgent operation at that moment.

6. The airport is the most modern one. We’re going to arrive at this airport.

7. She doesn’t want to speak of the cause. She divorced her husband for this cause.

8. The days were the saddest ones. I lived far from home on those days.

9. I never forget the park. We met each other for the first time at this park.

10. The police want to know the hotel. Mr. Foster stayed there two weeks ago.

0. Are these true or appropriate? If yes, please tick (tick ). If they are
Not. fix them:
1. My brother, who is in the army, he came to see us.
2. The path is created by hikers every summer.
3. John Graham's latest film set in the north of Australia is his first for
more than five years.

4. I have to go to the hospital on Monday, which means I won't be able to see you.
5. It's one of the most interesting books I've read this year.
6. The building where I used to work has 24 floors.
7. The reason is because I don't know but no one told me.
8. I don't know the name of the man who helped me.
9. He is now able to beat his father, from whom he learned how to play chess.