(广东省揭阳一中2014年高三上学期第二次段考英语试卷 含解析.doc

揭阳一中2013-2014学年度高三第一学期阶段考试（二） 英 语 Ⅰ语言知识及应用（共两节，满分45分） 完形填空（共15小题，每小题2分，满分30分） 阅读下面短文，掌握其大意，然后从1-15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 To know just what the effects of global warming will be in the future is extremely difficult, if not impossible. Scientists use computer models to study the __1__ of global warming. These computer models have been fairly consistent in __2__ general future trends, but often __3__ greatly when looking at the specifics. Some scientists say global warming has already been going on for a while. Others say that we do not have enough information now to know for sure. Despite the __4__, most scientists are convinced that greenhouse gases are __5__ the Earth. What they are still trying to figure out is how __6__ temperatures are rising, and what will happen as a result. The climate changes that will result from global warming are extremely __7__ to predict. The weather is determined by so many factors that it is often compared to chaos (complete disorder) by scientists. Changing the __8__ will likely have some effect on the planet’s weather, but just what that effect will be is __9__ impossible to predict. If temperature do rise significantly, the most important __10__ would be that some part of the polar ice caps would melt, __11__ global sea levels. The rise in sea levels would be __12__ for some places. Islands would __13__ , meaning their millions of inhabitants would have to move to other places. __14__ would occur along coastlines all over the world, forcing more people to move and ruining cropland. In the case of major global warming and __15__ ice caps, some countries might simply stop existing. Global warming, if uncontrolled, could cause a major catastrophe. 1. A. causes B. trends C. specifics D. effects 2. A. controlling B. changing C. predicting D. determining 3. A. differ B. match C. change D. compare 4. A. agreements B. disagreements C. changes D. information 5. A. warming B. cooling C. melting