Đề4

I.Question

1.What is the passage about?

-some malrs use of refrigeration process

2.Is air conditioning only...the climate where

-No,it isn't

3.What will happen in prinsing proces

-The paper can ...up or the isn't many fret to do preiper

4. What can refing cration help in food in ducting

- It can help to usend the cheag life of many kings of foods

II. Sentence

1. Many objects are able to pass energy because of their pollution

- Many objects can pass energy because of their pollution

2. The Earth is made up of the .....larger

-....................made of...............

3. Heat cause the atoms and molution in the....

- Heat makes the atoms and molution more....

4. All kinds of filuns for diesel sytem do not

- .........sytem prevent contaminants from enterny

III. Verb

1. between 1925 and 1955 the use of electricity (increase) by 4%

- .......increased......

2. It (be) often ...friction by (use) very

-It is be often......by using...

3. Robots ( can employ) in dangerous conditions

- Robots can be employed in.............

IV. A_V

1. It is very impotant to get the clean distindin between mass and weight

- Điều quan trọng để phân biệt rõ ràng giữa khối lượng và trọng lượng

2. can she properties of a metal be futther?

- đặc tính của kim loại có thể cải thiện nhất nhờ vào xử lý nhiệt được ko?

V. V_A

1Chi lê sản xuất sắt ít hơn Mỹ cách đây nhiều năm

-chile produced a lot less iron than the USA a few year ago

2. mọi người biết rằng thép ít các bon hơn sắt

- everybody knows that steel is less carbon than iron