第二节(共 10 小题;每小题 1.5 分,满分 15 分) 阅读下面短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。 More than half of former host cities for the Winter Olympics will be too hot 61 (deal) with such games by the end of this century. That is the 62 (predict) of a recent study. It's not just the Olympics that are at risk now. “The world of winter sports is changing as the global climate continues warming,” says Daniel Scott, 63 climate-change researcher in Canada. He led a team of researchers, 64 used math to predict how winter conditions will have changed by February 2050 and 2080. February is the month when the Olympic winter games are 65 (typical) played . Scott and his team forecast temperatures and snow cover for the 19 cities that have already hosted Winter Olympics, and two 66 (addition) cities: PyeongChang, South Korea, and Beijing, China, where the 2022 Winter Olympics will be held. Scott’s team 67 (begin) with looking at historic winter conditions, and then used computer models to predict conditions in the future. 68 (they) model predicted that by 2050, the average February temperatures in past Winter Olympic host cities will rise by1.9 69 2.1 degrees Celsius. These temperatures can affect the quality of snow, thus 70 (increase) the chance of accidents.