在亚洲的同一天里,有人因炎热而纳凉,有人因寒冷而烤火,有人为雨水过多而发愁,有人为长期干旱而忙碌……下面关于亚洲气候差异的说法,正确的是  (    )

从框里选择填入对话相应空白处的适当选项

A: Hello, this is Ann.Is that Helen ?
B: Yes, speaking.
A:Helen, The happy weekend is coming. ____ 
B: Yes, I’m not busy. I've already finished my homework.
A: ____ 
B: I’ve no idea. What about you ?
A: Let me see. Let's do something interesting and helpful. ____ 
B: Certainly. Where?
A: In the new museum.
B: Oh, I remember. I heard of it last week. ____ 
A: By bike. It's Saturday tomorrow. The traffic must be heavy, I think.
B: I agree. ____ 
A: At the gate of our school at nine in the morning.

如图所示，把一个架在绝缘支架上的枕形导体放在正电荷形成的电场中．导体处于静电平衡时，下列说法正确的是（   ）

对于集合M,N，定义：M-N={x|$x\in M$且$x\notin N$}，$M\oplus N=\left(M-N\right)\cup \left(N-M\right)$，设A={y|y=x²-3x,$x\in R$}，B={x|y=log₂(-x)}，则$A\oplus B=$（   ）