实行“一国两制”科学构想的根本前提是（ ）
A：坚持一个中国原则
B：坚持社会主义制度
C：坚持***的领导
D：坚持无产阶级专政
连线题。
①Would you like some chicken?____ A. No. I like swimming.
②Do you like snakes?____ B. Yes, it is.
③Do you like skipping? ____ C. No, thanks. I like salad.
④Touch this. Is it soft?____ D. No, I don't. I like giraffe.
–Sorry. I didn't hear. I _______ something else.
某次运动会中，四名运动员的号码，有两人的号码正确，另两人的号码错误，发生这种错误的情况有( )种？
