竹沥油干馏的温度是（）
A.420℃～450℃
B.350℃～400℃
C.300℃～330℃
D.280℃
E.120℃～180℃
参考答案：B
根据词意和所给的第一个字母写出相应的单词
1. not very often s________
2. the food you usually eat d________
3. a person who dances d________
4. costing a lot of money e________
5. like something or someone better p________
6. the way you live l________
7. a cut in price d________
8. power to do things e________
9. go well with m_________
10. usually with bright colours f________
口腔溃疡同时伴有或交替出现眼、外阴、皮肤病变（）
A．轻型口疮
B．疱疹样口疮
C．腺周口疮
D．白塞综合征
E．疱疹性龈口炎
