2 . 在实验室,未经老师许可，禁止触碰任何东西。(permission) （汉译英）

9 . 根据句子内容，从选项（A、B、C、D、E、F、G、H、I、J、K和L）中选出能匹配句子中划线部分意义的选项。选项中有两项为多余选项。
A. to come into one’s mind
B. to do sth next, after having done sth else first
C. one of several parts of which sth is made
D. a person who writes music, especially classical music
E. a film or a radio or television programme giving facts about sth
F. to give sb a particular impression
G. the act of allowing sb to do sth
H. interesting and unusual enough to attract attention
I. a person who stands in front of an orchestra, a group of singers etc. and directs their performance
J. a layer of bricks, concrete, etc. that forms the solid underground base of a building
K. showing happiness or satisfaction
L. an aim or principle which a group of people supports or is fighting for
1. The documentary lasts for more than two-and-a-half hours, and there is not a dullminute.
2. She said she wasn’t hungry, but then she proceeded to order a three-course meal.
3. She has been devoted to the cause of education.
4. There is a striking difference between her two daughters.
5. A complex engine has many separate components, each performing a different function.
6. It occurred to me that I could have the book sent to me.
7. His face relaxes into a contented smile.
8. He asked permission to leave the room.
9. The conductor got on the stage, took a bow, and all were silent.
10. The builders are now beginning to lay the foundations of the new school.