【单选题】听力原文:W: Do you like to run? M: Yeah, when the Police are chasing me. W: You know Kerron Clement? M: Who? W: (9) Kerron Clement. He just broke the world record in the 400-meter. M: Right. W: Did you kn...
A.
To confirm that the student is capable of beating Clement.
【单选题】听力原文:W: Do you like to run? M: Yeah, when the police are chasing me. W: You know Kerron Clement? M: Who? W: Kerron Clement. He just broke the world record in the 400 meter. M: Right. W: Did you know t...
A.
To confirm that the student is capable of beating Clement.
【单选题】听力原文:W: Hi, Rob, you know that class you missed yesterday? M: Yes, but I was seriously iii. W: I'm sorry to hear that. You (:an have my notes. M: Thanks. I appreciate that. W: So how are you feeling? ...
【简答题】设函数y=f(x)在(a,b)上的导函数为f′(x),f′(x)在(a,b)上的导函数为f″(x),若在(a,b)上,f″(x)<0恒成立,则称函数f(x)在(a,b)上为“凸函数”.已知 f(x)= 1 12 x 4 - 1 6 m x 3 - 3 2 x 2 . (Ⅰ)若f(x)为区间(-1,3)上的“凸函数”,试确定实数m的值; (Ⅱ)若当实数m满足|m|≤2时,函数f(x)在(a,b)上总...
【简答题】--You know who came yesterday? --Yao Ming?. We had a basketball match. -- ________He came and watched the . A. You guessed it! B. How did you know that? C. Well done! D. That was good news!
【单选题】听力原文:W: You know, Brian, it doesn't look like you're vacuumed the living room or cleaned the bathroom. M: No, I haven' t. Ugh. I had the worst day. I am so fired, kook, I promise I'll do it this weeke...
【单选题】听力原文:W: Mac, what are you doing? M: Making the bed, Liz. W: You know what, Mac? Connie's going to get a face lift. M: Oh? W: She even said she'd get the rest done, too! M: The rest? W: Yeah ! Mac, if ...