Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks.
GLOBAL WARMING
Few people now realize the reality of global warming and its effects on the world’s climate. Many scientists _____(41)the blame for recent natural disasters on the increase ______(42) the world’s temperatures and are convinced that, more than ever before, the Earth is at _____(43) from the forces of the wind, rain and sun. According to them, global warming is making extreme weather events, _____(44) as hurricanes and droughts, even more _____(45) and causing sea levels all around the world to_____ (46). Environmental groups are putting _______(47) on governments to take action to reduce the amount of carbon dioxide which is given______ (48) by factories and power plants, thus attacking the problem at its source. They are in_______ (49) of more money being spent on research into solar, wind, and wave energy devices, which could then replace existing power______ (50) . Some scientists, however, 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 results. Global warming, it seems, is to stay.
Trả lời câu hỏi dưới đây:
______(41)