在对话的空格中填上适当的单词，使对话完整正确。一空一词。按编号把答案依次填入下边的表格内。
A: What a wonderful museum!
B: It's great, isn't it?
A: Let's go to the Animal Room on the second floor. I need some ____ for my science report.
B: Me, too. Let's go.
A: Hey, Gina! Come and see the money exhibition!
B: Be ____, please, Jack! You mustn't shout loudly in the museum.
A: Oh, I'm sorry. Look at the monkey's tail! I've got to get in here...
B: Stop! Don't ____ the rope!
A: Oh. Why not?
B: Can't you see the ____? "No entry (进入)."
A: Oh, right. That's no good! Well, I'll just take a ____ with my camera then...
B: You can't do that, either. It's ____ the rule in the museum.
A: There certainly are a lot of rules in the museum. No wonder there are ____ people in this place.
B: Oh, my dear!
A: What's the matter, Gina?
B: My mobile phone! It's ____! What am I going to do?
A: Don't worry. We'd better go to the lost and found office. If someone finds it, they will ____ it there.
B: That phone is new! I have to find it, or Mum will ____ me!
A: I'm sure it will be all right, Gina. Let's go and see.
B: Yes, let's go downstairs.
N2O4(g) 达到平衡时，再向容器内通入一定量的NO2(g)，重新达到平衡后，与第一次平
衡时相比，NO2的体积分数( )
