Câu hỏi:

Read the following passage, and mark the letter (A, B, c or D) on your answer sheet to indicate the correct answer for each of the blanks

GLOBAL WARMING

Few people now question the reality of global wanning and its effects on the world ‘s climate. Mary scientists (46)_________the blame for recent natural disasters on the increase in the world ‘s temperatures and are convinced that, more than (47)_________before, the Earth is at risk from the forces of the wind, rain and sun. (48)_________to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (49)_________and causing sea levels all around the world to (50)_________.

Emrironmental groups are putting (51)_________on governments to take action to reduce the amount of carbon dioxide which is given (52)_________by factories and power plants, thus attracking the problem at its source. They are in (53)_________of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power (54)_________.

Some scientists, (55)_________, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the result. Global I warming, it seems, is to stay.

Question 55: