Câu hỏi:

Circle A. B. C or D to indicate the correct answer to each of the following questions

Switching to ___________ eco light bulb is one way to protect the environment

Circle A. B. C or D to indicate the correct answer to each of the following questions

I never leave any electrical appliances on standby and I think it is a good way to ___________ energy in the home

Circle A. B. C or D to indicate the correct answer to each of the following questions

Nowadays, people are searching for more ___________ materials to build their houses

Circle A. B. C or D to indicate the correct answer to each of the following questions

Every ___________ piece of equipment was sent to the fire

Circle A. B. C or D to indicate the correct answer to each of the following questions

Police are ___________ significant progress in fighting computer crime

Circle A. B. C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)

We need to cut down on the emission of carbon dioxide into the atmosphere

Circle A. B. C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)

Land erosion is mainly caused by widespread deforestation

Circle A. B. C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)

Global warming has severe impact on water supplies

Circle A. B. C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)

Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun

Circle A. B. C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)

Deforestation is one of the biggest environmental threats to the ecological balance in the world