Ⅰ.请快速写出下列单词的汉语意思
1.tobacco n.    ________________
2.alcohol n.    ________________
3.facilitate vt.    ________________
4.negative adj.    ________________
5.escalator n.    ________________
6.pessimistic adj.    ________________
7.discipline n.    ________________
vt.    ________________
8.pill n.    ________________
9.surgeon n.    ________________
10.surgery n.    ________________
11.shave vi.&vt.&n.     ________________
12.beard n.    ________________