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. ________________