? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:force B:pressure C:persuasion D:encouragement

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:amount B:deal C:number D:count

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:off B:away C:up D:over

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:belief B:request C:favour D:suggestion

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:factories B:generations C:houses D:stations

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:but B:although C:despite D:however

? ?Few people now question the reality of global warming and its effects on the world’s climate. Many scientists ?(51) ? the blame for reeent natural disasters on the increase ?(52) ? the world’s temperatures and are convinced that, more than ?(53) ? before, the Earth is at ?(54) ? from the forces of the wind, rain and sun. ? ?(55) ? to them, global warming is making extreme weather events, ?(56) ? as hurricanes and droughts, even more ?(57) ? and causing sea levels all around the world to ?(58) ?
? ?Environmental groups are putting ?(59) ? on governments to take action to reduce the ?(60) ? of carbon dioxide which is given ?(61) ? by factories and power plants, thus attacking the problem at its source. They are in ?(62) ? of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power ?(63) ?
? ?Some scientists, ?(64) ? , believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait ?(65) ? hundred years to notice the results. Global warming, it seems, is here to stay.

A:several B:over C:numerous D:various

When a liquid boils,it becomes a gas.

A:vapor B:danger C:fuel D:bubble

Although a newspaper's primary function is to inform,special features are usually included for entertainment.

A:jointly B:cautiously C:commonly D:intentionally

Throughout most of their lives,human beings perpetually learn and increase their mental capacities.

A:actually B:readily C:finally D:constantly