III,选择合适的词并用其适当形式完成句子
1,strength; energy; force; power
(1) There is a famous saying by an English philosopher," Knowledge is____ "
(2)He has so much ———— that he can lift the big rock with one arm.
(3)-- Please tell me why you are full of ___
--To exercise every day is the best way.
(4)The cracksman used ____ to break open the door and stole the diamond .