使人类进入工业社会的能源革命是（　　）

下面的句子表现玛蒂尔德什么样的心态?

随后，她迟疑而焦急地问：“你能借给我这件吗?我只借这一件。”“我只借这一件。”

如图所示的三角形数阵叫“莱布尼兹调和三角形”，它们是由整数的倒数组成的，第n行有n个数且两端的数均为$\frac{1}{n}\left(n\ge 2\right)$，每个数是它下一行左右相邻两数的和，如$\frac{1}{1}=\frac{1}{2}+\frac{1}{2}$，$\frac{1}{2}=\frac{1}{3}+\frac{1}{6}$，$\frac{1}{3}=\frac{1}{4}+\frac{1}{12}$， ，则第7行第4个数（从左往右数）为（  ）

请从右栏中找出左栏相应的答语。

①Where are you from? ____        A. Nice to meet you too.

②Thank you very much.  ____               B. It's Thursday.

③Write it on the blackboard.  ____             C. Twenty.

④How are you? ____                          D. England.

⑤Nice to meet you.  ____                       E. No, he isn't.

⑥Is Bob English? ____                         F. It's 80392746

⑦How many boys are there? ____              G. Yes, of course.

⑧Can you say that again in English? ____       H. You're welcome.

⑨What's your telephone number? ____       I. OK. B-O-O-K, book.

⑩What day is it today? ____               J. Fine, thank you.