【简答题】将根式转化为分数指数幂的形式,分数指数幂转化为根式 (1)将根式 写成分数指数幂的形式 (2)将分数指数幂 写成根式的形式 (3)将根式 写成分数指数幂的形式
【判断题】在更换新气缸套时,应首先检查缸套顶面比气缸体上平面的高出量。
【单选题】听力原文:M: Do you know when John's birthday is? W: May 12, five days earlier than John's. Q: When is John's birthday? (2)
【单选题】听力原文:John's not from San Francisco, is he? (A) Once, with my parents when I was six, but I don't really remember it very well. (B) No, but he lived there for a couple of years. (C) He'll be there for ...
【单选题】Which one of the statements is not John's advice for Alice in the listening practice? 下列哪一个说法不是听力材料中John给Alice的建议?
A.
make full use of time when learning
B.
do some practical activities when she has spare time
D.
go visit some professors
【单选题】下列函数中哪组是线性无关的__________
【多选题】紧急避险与正当防卫都是排除犯罪性的行为,它们的共同点是( )