A:把吸盘式挂衣钩紧贴到墙上后可挂衣服
B:用胶头滴管吸取药液
C:茶壶的盖上留一小孔,水才容易倒出来
D:用力压打气筒的活塞,把气充进轮胎中
若代数式x-3x-m中,x的取值范围是x≥3且x≠5,则m=____ .
He donated his money to poor people, so we realized that he had a heart __________ love.
台湾省自古以来就是中国的神圣领土.结合台湾省简图,判断下列叙述不正确的是( )