Câu hỏi: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. polluted      

B. uniform      

C. reduce      

D. reuse

Câu 1: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. energy     

B. environment     

C. deforestation     

D. exchange

Câu 2:

We can find noise pollution __________ most cities.

A. of      

B. on      

C. to      

D. in

Câu 3: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. recycle      

B. happy     

C. study     

D. windy

Câu 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. wrap      

B. swap      

C. ask      

D. that

Câu 5:

If students recycle and use recycled materials, they will save _________.

A. energy      

B. food      

C. water      

Câu 6:

Water is used to generate __________.

A.  

B. electricity      

C. money      

D. deforestation