Một vật có trọng lượng riêng 80N đặt trên mặt bàn nằm ngang. Diện tích mặt tiếp xúc của vặt với mặt bàn là S=0,005 m\(^2\). Tính áp suất do vật tác dụng lên bàn

I.Read the following passage and decide which answer (A, B, C, or D) best fits each
gap. Write your answer in the numbered box. (2.0 points)
It's important to (1) ________ well, especially when you are studying. If you are at
primary (2) ________, you may not go home for lunch and have a cooked meal of
meat or (3) ________ and vegetables. A chicken and lettuce sandwich, with some (4)
________ fruit would be a light but (5) ________ lunch. Many people around the
world eat plain, boiled (6) ________ two or three times a day.
Pupils and students often don't eat (7) ________ when they're revising for an exam -
they eat chocolate and (8) ________ lots of black coffee! And by the way, doctors say

everybody should start the day with healthy (9) ________. It's also good for you to
drink a lot of (10) ________ through the day.
1. A. launching B. emitting C. eat D. peaking
2. A. school B. weapons C. spaceships D. rockets
3. A. to B. towards C. with D. fish
4. A. as good as B. fresh C. as well as D. such as
5. A. burnt B. explored C. went off D. healthy
6. A. rice B. audience C. observatories D. watcher
7. A. sent back B. returned to C. well D. except for
8. A. weightlessness B. drink C. wavelengths D. length
9. A. space B. atmosphere C. vacant D. Breakfast
10. A. scientists B. drivers C. water D. astronauts

III. Give the correct form of the word in the brackets. Write your answer in the
numbered box. (1.0 point)
1. A lot of ………….go to Rio de Janeiro to attend the Rio
Carnival.

DANCE
2. Thanksgiving is a …………. festival only held in the USA. SEASON
3. I’m sure you will be a …………….artist one day. FAME
4. How often do you ……………….. the chickens? FOOD
5. We had a ……………………….meal on my grandfather’s
birthday.

CELEBRAT
E
6. Nga ………………....a pan and stir fried the beef. HOT

7. They are learning ...................... because they will go to Berlin
next year

GERMANY
8. The Christmas season is also called the …………….season. FESTIVAL
9. There is a................................... of fruits in Vietnam. VARY
10. The ……………………. of the project made me tense. ENJOY
* Answer:
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

I. Finish each of the following sentences in such a way that means exactly
the same as the sentences printed before it. (2 points)
1. In spite of her age, Mrs. Elizabeth carried heavy things on her own.
   Even though
2. The new Ferrari SF90 is so expensive that I can’t afford it.
    The new
3. How far is it from your house to the nearest market?
    What
________________________________________________________________
4. Be calm or you will make wrong decisions.
    If
________________________________________________________________
___
5. The film wasn’t as good as I thought it would be.
    The film was
_________________________________________________________
6. Old car tires are recycled to make shoes and sandals.

     People
________________________________________________________________
7. What about taking up yoga in our leisure time?
    Shall we
______________________________________________________________
8. Developing countries have more problems than developed countries.
    Developed countries
_____________________________________________________
9. We will solve the problem of energy shortage by using solar energy.
     The problem
___________________________________________________________
10. It is prohibited to cross the road until the light goes green.
      You must
______________________________________________________________

III. Fill in the gap with ONE suitable word to complete this passage . Write your
answer in the numbered box. (2 points)
Many people (1) ___________ in their communities. Some people work with
children or the elderly while (2) ___________ clean city parks. Some student
clubs require their members to participate (3)_________ a certain number of
hours of community (4) ___________ every month. One way that communities
work (5) ___________ is by giving support to those in need. A community
might raise (6) ___________ for a school to buy new equipment or uniforms by
selling baked goods or holding a yard sale. Many communities provide places
for people in need to receive food, (7)___________, or shelter. Volunteering can
help people feel like they are giving something (8) ___________ to their
communities. Sometimes a person may need help at one time (9) ___________
be able to help others later. Volunteering has (10)_______ a positive effect on
society that even the governments cannot bring about.

In Canada and the United States, ……(1)…..of the most popular days in the year is Halloween. Halloween is on October 31st. It’s a day…….(2)……some people dress up in strange or unusual costumes. For example, they may dress up to ……(3)…an animal, a person from history. In some places, children go to schoolin…(4)….Halloween costumes. After dark, many young children…(5)….on their costumes and visit their neighbours. They knock on the ….(6)….and shout “Trick or treat”. Then their neighbours…..(7)….them some candy, and the children go on to the….(8)…house. Adults also enjoy dressing up for Halloween. There….(9)…usually Halloween parties in the evening and usually there is a prize for the best or…(10)….unusual costumes.

In Canada and the United States, ……(1)…..of the most popular days in the year is Halloween. Halloween is on October 31st. It’s a day…….(2)……some people dress up in strange or unusual costumes. For example, they may dress up to ……(3)…an animal, a person from history. In some places, children go to schoolin…(4)….Halloween costumes. After dark, many young children…(5)….on their costumes and visit their neighbours. They knock on the ….(6)….and shout “Trick or treat”. Then their neighbours…..(7)….them some candy, and the children go on to the….(8)…house. Adults also enjoy dressing up for Halloween. There….(9)…usually Halloween parties in the evening and usually there is a prize for the best or…(10)….unusual costumes.