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Read the passage and choose the best answer: Within the last century the amount of carbon dioxide in the atmosphere (26)_______dramatically, largely (27)_______people burn vast amounts of fossil fuels, coal and petroleum and its derivatives. Average global temperature also has increased - by about 0.6 Celsius degree within (28)_______ past century. Atmospheric scientists (29)_______found that at least half of that temperature increase (30)_______attributed to human activity. They predict that (31)_______dramatic action is taken, global temperature will continue (32)_______by between 1o C and 3.5o C (between 1.8° and 6.3° F) over the next century. Although (33)_______increase may not seem like a great difference, during The Last Ice Age the global temperature (34)_______only 2.2 Celsius degrees cooler than it (35)_______presently. Trả lời câu hỏi dưới đây:_____(31)

Read the passage and choose the best answer:
Within the last century the amount of carbon

Câu hỏi

Nhận biết

Read the passage and choose the best answer:

Within the last century the amount of carbon dioxide in the atmosphere (26)_______dramatically, largely (27)_______people burn vast amounts of fossil fuels, coal and petroleum and its derivatives. Average global temperature also has increased - by about 0.6 Celsius degree within (28)_______ past century.

Atmospheric scientists (29)_______found that at least half of that temperature increase (30)_______attributed to human activity. They predict that (31)_______dramatic action is taken, global temperature will continue (32)_______by between 1o C and 3.5o C (between 1.8° and 6.3° F) over the next century. Although (33)_______increase may not seem like a great difference, during The Last Ice Age the global temperature (34)_______only 2.2 Celsius degrees cooler than it (35)_______presently.

Trả lời câu hỏi dưới đây:

_____(31)


A.
unless         
B.
if    
C.
provided  
D.
as long as
Đáp án đúng: A

Lời giải của Luyện Tập 365

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