补全对话, 其中有两个多余选项。
A: Linda, do you like your job?
B: ____ I think teaching is a lot of fun.
A: ____
B: I feel happy when the students do better jobs
A: Anything else?
B: ____ They make me feel younger.
A: That's amazing! ____
B: No, not at all.
A: ____
A. Do you feel bored sometimes? B. You're really a good student. C. You are really a good teacher. D. Why not? E. The students are full of energy. F. No, I don't. G. What fun? |
满足
，
，则向量
与
的夹角等于（ ）
