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回答题：My Life at Renda I learned very quickly that being a teaching assistant (TA) at the University of Iowawould be different from being a teacher at Renmin University. (46) Eyesstating, mouths open, students examined my big nose, while I was writing myname on the blackboarD．
At Iowa, when my first classes began, half of mystudents still hadn't arriveD．When everyone finally found a seat, ringingcellphones and loud yawns (哈欠) interrupted my opening remarks. It is notthat American students were disrespectful. (47) They were, however, farmore skeptical than the students I had at RendA．The truth is I couldn't faultthem for their skepticism. Undergraduates at large US universities --especially freshmen and sophomores -- often have several classes a semesterhandled by TAs. In some cases, the TA sets the course content. (48) Mosthave good intentions, but very few are as effective as professors.
Every teacher has to confront obstacles to learning -- no matter what the culture.Students who talk during lecture, students who cheat, students who question thegrade they get for a paper or project -- dealing with these is all part of thejoB．(49)
The difference, I think, is that in the US I had to swallow more of my pride. (50) I had aresponsibility to teach them, of course, but I had to do so indirectly -- as aguide who himself had a few things to learn from the students.
A．In mystudents' minds, I had little to offer them, except perhaps some sample questionsfor the mid-term exam.
B．Inothers, the TA works as agrader and discussion leader.
C．Iencountered these in China, and I faced them in the US.
D．On theother hand, being taught by a graduate student is not necessarily baD．
E．Mostwere polite, or at least, indifferent.
F．Backat Renda, I had walked into my first classes feeling like a celebrity.
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