题目

_____ that he isn’t adequate to the present job, he devotes all his spare time to studying professional knowledge.    A. Concern   B. To concern   C. Concerned   D. Concerning   答案：C  关于欧洲西部旅游景点的说法，正确的是（　　）A．英国的峡湾风光引人入胜B．伦敦的艾菲尔铁塔令人景仰C．南部地中海沿岸国家的海滨沙滩优美宜人D．芬兰的花卉尤其是郁金香闻名世界