【单选题】Sometimes I was thinking about _______ my own how I could make friends with a man who had little _______ common with me.
【单选题】People often make a mistake about my nationality. I was born of Chinese parents , _____, I look ______ but I was born and grew up in America, so I am an American.
【单选题】采用以下设计思路实现下图所示的目录浏览器:目录中的每个目录项被认定为一个类,其属性包括名称、类型(目录或文件)、大小、扩展名、国标等。为节省内存空间,要求不能将具有相同属性(例如类型、扩展名、图标相同)的相同文件看作不同的对象。能够满足这一要求的设计模式是( )。
【简答题】学生筛选描写香菱专心学诗的语句,并作简短点评。
【单选题】I am very ____________ about expressing my opinions in public in case I may make mistakes.
【单选题】已知【图片】,且极限【图片】存在,则( )