题目

A                                           B （   ）1. Is Jim good at soccer?                      （   ）2. Let’s plan a surprise for Jim.            （   ）3. How many days would you like to stay in Fuzhou ?  （   ）4. What kind of drink does Kite prefer, coffee or tea?   （   ）5. May I take the order?                        B    A. She prefers coffee.   B. Sounds great.  C. Sure. Here you are.  D. Yes, he is.  E. Just for six days.设复数z=1+i，则复数2z+z2的共轭复数为（　　）A．1-iB．1+iC．-1+iD．-1-i