将单词对应的字母填入空格。 A) appealing B) average C) contributing D) dramatic E) frequently F) impact G) line H) maintain I) melted J) persist K) ranging L) recently M) resolved N) sensible O) shock Global warming is a trend toward warmer conditions around the world. Part of the warming is natural; we have experienced a 20,000-year-long warming as the last ice age ended and the ice __ 1_ __away, However, we have already reached temperatures that are in __ 2_ _with other minimum-ice periods, so continued warming is likely not natural. We are __ 3 __to a predicted worldwide in increase in temperatures_ _4 __betweem 1 °C and 6 °C over the next 100 years. The warming will be more__ 5__ in some areas, less in other, and some places may even cool off. Likewise, the __ 6_ _of this warming will be very different depending on where you are-coastal areas must worry about rising sea levels, while Siberia and northern Canada may become more habitable( 宜居的 )and _ _7_ _for humans than these areas are now. The fact remains, however, that it will likely get warmer, on _ _8_ _, everywhere. Scientists are in general agreement that the warmer conditions we have been experiencing are at least in part the result of a human-induced global warming trend. Some scientists__ _9_ _that the changes we are seeing fall within the range of random( 无规律的 )variation-some years are cold, others warm, and we have just had an unremarkable string of warm years_ _10_ _--but that is becoming an increasingly rare interpretation in the face of continued and increasing warm conditions.