单项选择题
Please remind everyone to （）(加强) the sense of fire .
A.improve B.speed up C.reinforce D.enhance
单项选择题 The boat drill is finished. You are （）(解散).
单项选择题 Water is used to put out （）(普通火).
单项选择题 At each drill a different person should be in （）(负责)of an extinguisher.
