20世纪中国社会发展阶段的悲喜剧，在报纸的头版中被淋漓尽致地展现出来。1949年4月22日，李先生最有可能在当天报纸上阅读到的头条新闻是（ ）
A： 城头变幻大王旗，清帝宣统下诏退位
B：火烧赵家楼，30多名学生遭政府逮捕
C：应蒋之邀，***抵渝共商建国大计
D：***、朱德下令渡江，南京解放在即
根据短文内容完成表格中所缺信息。
name: Michael Swaine
job:____ of a college in San Francisco
his ____ work
time: the 15th of ____,for almost 15 years
act: make and mend(缝补) clothes for poor or homeless people for free
his gains(收获) from the acts
u He has made more friends.
u He now understands ____ things.
u He now lives a more meaningful life.
the influences of his acts
u People are encouraged by his caring spirit.
u People's smiles show the ____ brought by his small acts of kindness.
u People can learn from the example of taking part, being a citizen, acting outside of what is normal and doing something good with their own talents.
焦虑常使人紧张、坐立不安，甚至影响身体健康。但可以通过确立目标，逐一完成；参加活动，倾诉释放；回忆成功，愉悦情绪等方法让人走出焦虑。这反映了（ ）
①意识对人的生理活动具有调节和控制作用
②矛盾双方在一定条件下相互转化
③意识源于人脑，要增强大脑功能
④意识决定人的情绪与行动结果
640÷20=____ 480÷80=____
280÷40=____ 350÷70=____
180÷90=____ 84÷21=____
96÷24= ____ 560÷4=____
