IV. Fill in each blank in these semtences with the suitable form of the words in brackets.

1. The increase of carbon dioxide in the armosphere has............ greatly on the earth clomate rencently. (effect)

2. Recycling of waste is one of the............. solutions for pollution. (practice)

3. Most........... at the international workshop in Tokyo focused on the increase of the earth temperature. (environment)

4. Several families were ............ on the beach. (picnic)

5. Sir Isaac Newtion was an English .......... scientist. (stand)

Fill in each blank with the correct form of the words in the brackets.

29. If we go on littering, the environment will become _______ polluted. (serious)

30. The main threat to the ________ of these creatures comes from their loss of habitat. (survive)

31. Ao Dai is the _______ dress of Vietnamese women. (tradition)

32. You need to have a lot of _______ to play this kind of sport. (strong)

indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (23)_________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (24) _________getting out. It works like a greenhouse, that’s why we call (25) _________the Green House effect.

Because of this effect, the Earth is getting warmer all the time. This (26) _________in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _________the poles will melt.

Điền vào ô 24

A. from 

B. up 

C. against 

D. away 

indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (23)_________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (24) _________getting out. It works like a greenhouse, that’s why we call (25) _________the Green House effect.

Because of this effect, the Earth is getting warmer all the time. This (26) _________in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _________the poles will melt.

Điền vào ô 26

A. raise 

B. rise 

C. drop 

D. fall 

indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (23)_________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (24) _________getting out. It works like a greenhouse, that’s why we call (25) _________the Green House effect.

Because of this effect, the Earth is getting warmer all the time. This (26) _________in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _________the poles will melt.

Điền vào ô 23

A. companies 

B. factories 

C. sites 

D. stations 

indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (23)_________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (24) _________getting out. It works like a greenhouse, that’s why we call (25) _________the Green House effect.

Because of this effect, the Earth is getting warmer all the time. This (26) _________in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _________the poles will melt.

Điền vào ô 27

A. covering 

B. covers 

C. covered 

D. cover 

indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (23)_________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (24) _________getting out. It works like a greenhouse, that’s why we call (25) _________the Green House effect.

Because of this effect, the Earth is getting warmer all the time. This (26) _________in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _________the poles will melt.

Điền vào ô 25

A. is 

B. be 

C. it 

D. them