Exercise 4. Give the correct form of the words given.

1. Children have a natural _____ about the world around them. CURIOUS

2. All cheeses are made in _____ the same way. BASIC

3. There will be a _____ of world leaders in Vienna next month. GATHER

4. The results of the study have a wider _____ for all the profession. SIGNIFICANT

5. The restaurant offers a wide variety of local _____. SPEIAL

6. Hong Kong is one of the most _____ areas in the world. POPULATION

7. People from ethnic _____ often face prejudice and discrimination. MINOR 8. Quan họ received the UNESCO _____ as the Intangible Cultural Heritage in 2009. RECOGNIZE

Exercise 1. Write the name of the type of energy in each blank based on the characteristics.

 1. ___________: It harvests the energy of the sun through using collector panels to create conditions that can then be turned into a kind of power.

 2. ___________: It uses rise and fall of tides to convert kinetic energy of incoming and outgoing tides into electrical energy.

 3. ___________: The energy is created mainly from uranium and plutonium through a specific reaction, which is then collected and used to power generators. 

4. ___________: By using large turbines to take available wind as the power to turn, the turbine can then turn a generator to produce electricity.

 5. ___________: It is the energy that is produced from beneath the earth. 

6. ___________: They are formed by natural processes such as buried dead organisms and barely renewable. 

7. ___________: It is power derived from the energy of falling water or fast running water.

a) Ta có 

Mà 

Hay 

Nên tam giác có độ dài ba cạnh  là tam giác vuông.

a) Ta có 

Mà 

Hay 

Nên tam giác có độ dài ba cạnh  là tam giác vuông.

a) Ta có 

Mà 

Hay 

Nên tam giác có độ dài ba cạnh  là tam giác vuông.