基础训练篇（3）

Last Monday morning, I was (1)_________ (cycle) along a street in the rush hour on my way to an interview (2)_________ an important job. A yellow car passed by me and (3)___________(sudden) stopped. I had to brake my bike hard and of course, I (4)________(fall). I was so angry I stopped the driver and kept on (5)_________ (shout) at him rudely.

(6)_____________(unfortunate), I was in time for the interview. By chance, one of my (7)________(interview), the manager of the company, was no other than the driver of the yellow car. Luckily, the manager was not angry with me (8)_________my rudeness. (9)___________, he offered me the job. So I said to everyone jokingly that I could tell my manager (10)__________ I thought of him.

下图为以二倍体水稻（2N=24）为亲本的几种不同育种方法示意图，请据图回答：

B常用的方法是（）。C、F过程常用的药剂是（）该药剂的主要生理作用是（）。