教师对自己影响学生学习行为和学习成绩的能力的主观判断是指教师的（）
A.教学效能感
B.教育机智
C.领导方式
D.教学风格
参考答案：A
电梯电器设备接地线的最小截面积不应小于（）mm²。
A.1.50
B.2.00
C.2.50
用所给单词的适当形式填空。
1. They are playing games. They are very ______ (relax).
2. There are many different kinds of ______ (scarf) in the mall.
3. What a ______ (sun) day it is!
4. The man enjoys ______ (lie) on the beach.
5. I usually sleep when it's ______ (rain).
