问题补充：
He is a good teacher. He is also his students good friend.
A. no more than
B. not more than
C. no less than
D. more than
答案：
A. no more than
B. not more than
C. no less than
(答案→)D. more than
解析：no more than = only
not more than 不超过no less than = as much as more than = not only
