[多项选择]踏进美国的领土，作为一个外国人受到友好亲切的接待，手续既简便而且又不必交费，办事干净利落，不能不令人心里感到暖洋洋的。我曾听说，在美国的社会里，黑人将会成为美国发展中的一个隐患，然而我所遇到的几个年轻男女黑人，都性格开朗，对人热情，常常开怀大笑，乐观的天性，很富于感染力，给我很深的印象。人际的隔阂本来就是人们自身造成的，或许歧视和偏见也是人为的阻碍吧!

参考答案:
As a foreigner setting foot on American soil, I was very pleased to meet with such a friendly and cordial reception. The procedures were simple and easy and with no fee charged; the whole matter was handled neatly and orderly, which made me feel quite at home. Before I came to the U. S. , I had heard gossips that negroes tended to become a hidden trouble in U. S., but the several young negro men and women I met appeared to me to have a bright and cheerful disposition. They were warm-hearted and hospitable and often laughed our loud. Their optimistic nature seemed infectious, having a strong appeal which deeply impressed me. The estrangement among men was actually the work of people themselves; discrimination and prejudice were perhaps also barriers artificially imposed!
答案解析:这段文章来自一篇描写出国见闻的文字，原文以汉语写成，风格比较随意，类似日记，所以有时句子不免比较长，补充意思比较多，177个字一共才三个句号，可见一斑。这段文字中有两个句式上的难点，都是长句。第一句话