防止易燃介质燃烧爆炸的措施有哪些？
参考答案：
⑴火源控制：①明火控制；②摩擦与撞击火花的控制；③其他火源的控制；④电器火花的控制。⑵防止易燃介质的泄漏。
曲线C：f（x）=xlnx（x＞0）在x=1处的切线方程为______．
词汇考察。
1. November is the e_________ month of a year.
2. Lakers will play a _________ Rockets in the NBA match tonight.
3. Lingling, Betty and I enjoyed o________ at the party last night.
4. Dragon Boat Festival is one of the Chinese t________ festivals.
5. F________, the soldiers arrived at the village after a few days' long walk.
6. If there's something wrong with your teeth, you'd better go to see a d________.
7. Many teenagers would like to s________ their photos or articles with others on the Internet.
