题目

Have successful people ever felt sad? Do they have any “secrets” to success? The answers to these questions can be found in US president Barack Obama’s “back to school” speech. Here is an excerpt(摘录) from his speech.I know that sometimes, you get the sense that you can be rich and successful without any hard work—that your ticket to success is through pop music or basketball or being a TV star, when chances are, you’re not going to be any of those things.But the truth is, being successful is hard. You won’t love every subject you study. Not all the homework will seem rather男性主要的性器官是A.睾丸B.附睾C.输精管D.前列腺