根据下面每句句意、汉语提示或英文解释，写出空白处所缺单词的正确形式，每空一词。  

小题1:Father’s Day is on the __________ (第三) Sunday of June.

小题2:Tony can play basketball __________ (好) than Mike and Sam.   

小题3:Huanyan Island was discovered and drawn onto the __________ (地图) of China during the Yuan Dynasty.

小题4:Alice is ________ (make clean with water) the dirty clothes for her little brother.

小题5:My sister is a teacher. She has __________ (to give lessons to students in a school) English in this school for 10 years.

小明通过学习得到下面几个结论，请帮他补充完整：

（1）实验表明，通电导体在磁场中会受到力的作用，受力的方向跟______方向和______方向有关．

（2）要使直流电动机中的线圈连续平稳地转动，必须使线圈一到______时就能自动改变线圈里的______，使它受力的方向总是相同的．在直流电动机里，完成这一任务的装置叫______．

（3）电动机可以把______能转化成______能．