巧妙手段

At the same time,the teacher should create good mental environment in chemistry classes with such measures as stirring up interest 、promising disciplines、 raising problems with the faculty 、encouraging the students to attain the best teaching result.

教师应以饱满的热情、机敏的头脑、优良的个性品质赢得学生的信任和尊重，使他们亲其师而信其道，同时，还应通过激发兴趣、保证纪律、巧妙设疑、激励鼓舞等手段创造良好的化学课堂心理环境，以达到最佳的教学效果。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。