精子和卵子细胞相融合的现象叫做（ ） A．传粉 B．双受精 C．受精 D．结合

（共5小题，每小题1分，满分5分）
根据对话情景和内容，从对话后方框所给的选项中选出能填入每一空白处的最佳选项，并将答案的标号（A、B、C、D、E或F）写在第II卷指定的横线上。选项中有一个为多余选项。
A: Mary, we are going to have a party on New Year’s Eve. I am sure we will have a good time.    56   
B: I’d like to.     57    
A: In our classroom. We are going to decorate(装饰)it and turn it into a wonderful ballroom.
B:     58    I shall be very glad to spend my first New Year in China with you.
A: But we are going to ask everyone at the party to give a performance.    59   
B: I will. My voice is not very pleasant to the ear, though.
A: I heard you sing once.    60 __ I am sure you will be the star of our New Year party.
B: Oh, thank you.

A. Your voice was sweet and beautiful. B. Where are you going to have it? C. Would you like to join us? D. Oh, it’s great. E. Let’s go to the ballroom together. F. Do sing us some English songs, please.