在如图所示的四种情景中,属于光的反射现象的是( )
A:隔着玻璃砖看木棒
B:通过平面镜看自己
C:小孔成像
D:冰透镜向日取火
In many places in China, the old over 90 ____ (take good care of) not only by their family but also by the government.
推翻明朝统治的是( )
某班一度流行给同学起外号,难听的外号一旦落到谁的头上,誰就背上沉重的包袱,心里有一种羞辱感。取外号行为的错误在于( )
①对人不礼貌②对人不尊重③没有换位思考④采取什么方式对人,没有设身处地想一想
—We _______ a book fair to sell old books and raised some money for them.