题目内容：
回答(50)题
A．In my students' minds, I had little to offer them, except perhaps some sample questions for the mid-term exam. B．In others, the TA works as a grader and discussion leader.
C．I encountered these in China, and I fared them in the US.
D．On the other hand, being taught by a graduate student is not necessarily bad.
E．Most were polite, or at least, indifferent.
F．Back at Renda, I had walked into my first classes feeling like a celebrity.
参考答案：
答案解析：