题目

第一节 完形填空（共10小题；每小题2分，满分20分） 阅读下面短文，掌握其大意，然后从21～30各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 Recently divorced in my 30s, I had no job and was on my way downtown on a rainy day to go to the employment offices. I had no umbrella, for my old one had   21   apart, and I couldn’t afford another one. I sat down in the streetcar — there against the   22   was a beautiful silk umbrella with a silver handle inlaid with gold and bright enamel(珐琅)现代生物进化论理论认为生物进化的基本单位是(    ) A.细胞           B.个体           C.种群            D.群落