请依据下述一系列的能量形式的转化,设计一个具体的方案来实施它。
小树苗在太阳光的照射下长成成片的树林,地壳运动后树林被埋在地底,经过几北万年的变化变成煤,用煤发电,用于照明。
课本Unit8《Celebrating Me》的课文内容选择正确答案。
1. It's time for Li Ming _____.
A .to clean the blackboard
B. to talk about his family
C. to give his report
D. to read the text
2. How does Li Ming begin with his report ?
A. By introducing himself
B. By telling a story.
C. By singing an English song.
D. By playing a game.
3. Ms Liu asked Li Ming to talk to the class about _____.
A. the English names
B. the Chinese names
C. his pen pals from England
D. his techniques for learning English
弗罗姆的期望理论中,()是指个人对努力所能产生成功绩效的概率估计。
A.效价
B.期望
C.工具
D.动机