向盛有稀硫酸的小烧杯中慢慢滴加Ba（OH）₂溶液至过量，有关量的变化情况见图．其中错误的是（  ）

情景交际

从选项中选择适当的选项补全对话。

a. It's my favourite play.　　

b. we decided to see Romeo and Juliet.　　

c. Yes, I'm sure they will.　　

d. We went to the Globe Theatre last night.　　

e. I tried to understand it but it was very difficult.

A: Hello, Daming. Are you enjoying your visit to London?

B: Thank you for asking, Betty. I'm having a great time. ____

A: Oh, yes, it's great. A lot of tourists want to go there.

B: Yes, my uncle offered to take us, and ____

A: Did you understand the play?

B: Well,  ____ But I know the story.

A: I hope to see Romeo and Juliet, too. ____

B: Will your parents agree to take you?

A:____

有些成群的动物并不具有社群（社会）行为，如下列动物中的（　　）

观察下面漫画，结合所学知识判断下列说法正确的是（    ）