Mr. King ____ (hold) a party to celebrate his mother's eightieth birthday next week, isn't he?
若某人每次射击击中目标的概率均为35,此人连续射击三次,至少有两次击中目标的概率为____
— What's this?
— It's a monkey.
影响乳畜业生产的最重要因素是 ( )