Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A large amount of carbon dioxide _______ are released into the atmosphere by burning fossil fuels.
A.environment
B.emissions
C.carbon footprint
D.infectious diseases

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Although global warming is causing changes in weather patterns, it is only one aspect of _______.
A.emissions
B.climate change
C.carbon dioxide
D.ecological balance

Phải làm theo cách nào để tăng độ cao của cột nước trong ống mao dẫn?
A.Pha thêm rượu vào nước
B.Hạ thấp nhiệt độ của nước.
C.Dùng ống mao dẫn có đường kính lớn hơn
D.Dùng ống mao dẫn có đường kính nhỏ hơn.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My sister is an expert on wildlife and its _______.
A.conservation
B.reservation
C.conserve
D.preserve

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Having talked with the environmentalist, we changed our _______ to nature.
 
A.altitude
B.generosity
C.responsibility
D.attitude

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Having measured the company’s _______, they realized that the amount of carbon dioxide (CO2) it produced was great.
A.climate change
B.infectious diseases
C.global warming
D.carbon footprint

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
As global temperatures rise, there are more cases of _______.
 
A.ecological balance
B.carbon dioxide
C.emissions
D.heat-related illnesses

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Doctors have warned about the relationship between climate change and the spread of _______.
A.ecological balance
B.infectious diseases
C.carbon footprint
D.environment

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Local people are concerned about pollution from _______ oil wells.
A.sea-going
B.coastline
C.off-shore
D.maritime

Chọn đáp đúng.
Quá trình chuyển từ thể rắn sang thể lỏng của các chất gọi là
A.sự ngưng tụ.
B.sự nóng chảy.
C.sự bay hơi.
D.sự kết tinh.