Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Question. Carbon dioxide is one of the primary greenhouse gases that cause global warming.

A. Carbon dioxide is the only greenhouse gas that causes global warming.

B. Global warming results in greenhouse gases, including carbon dioxide.

C. One of the main greenhouse gases that lead to global warming is carbon dioxide.

D. Global warming causes greenhouse gases, including carbon dioxide.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

People think that increasing levels of carbon dioxide and other greenhouse gases will inevitably lead to global warming.

A. Global warming is thought to result in increasing levels of carbon dioxide and other greenhouse gases.

B. Increasing levels of carbon dioxide and other greenhouse gases is thought to be responsible for global warming.

C. Increasing levels of carbon dioxide and other greenhouse gases is attributed to global warming.

D. Global warming is blamed for increasing levels of carbon dioxide and other greenhouse gases. 

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Planting trees can contribute to reducing global warming.

A. Global warming can't be controlled by planting trees.

B. Planting trees is the only way to control global warming.

C. Planting trees can accelerate global warming.

D. Planting trees can help reduce global warming.

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Question. Planting trees can contribute to reducing global warming.

A. Global warming can't be controlled by planting trees.

B. Planting trees is the only way to control global warming.

C. Planting trees can accelerate global warming.

D. Planting trees can help reduce global warming.

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Question. Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

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

A. catch

B. discharge

C. dispose

D. release

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Ha Long Bay, the global heritage recognized twice by the UNESCO, remains one of the country's top attractions.

A. Ha Long Bay was recognized twice by the UNESCO, and as a consequence it remains one of the country's top attractions.

B. Ha Long Bay, the global heritage which was recognized twice by the UNESCO, that remains one of the country’s top attractions.

C. Ha Long Bay, is the global heritage and was recognized twice by the UNESCO, remains one of the country's top attractions.

D. It is Ha Long Bay, the global heritage recognized twice by the UNESCO, that remains one of the country's top attractions.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Ha Long Bay, the global heritage recognized twice by the UNESCO, remains one of the country's top attractions.

A. Ha Long Bay was recognized twice by the UNESCO, and as a consequence it remains one of the country's top attractions.

B. Ha Long Bay, the global heritage which was recognized twice by the UNESCO, that remains one of the country’s top attractions.

C. Ha Long Bay, is the global heritage and was recognized twice by the UNESCO, remains one of the country's top attractions.

D. It is Ha Long Bay, the global heritage recognized twice by the UNESCO, that remains one of the country's top attractions.