首字母填空1．Our planet b＿ to everyone医生检查病人用look at,look over,look after 还是look for?汉译英1,我们每个人都能帮助挽救环境吗?3,应该经常给花浇水．4,中国*正忙于为2008年北京奥运会做准备．5,我告诉她我对此一无所知．

"检查" 当然是 lookfor 找出 (something wrong)
lookat 是观看 如 look at the skin color (观看皮肤颜色)
look after 是照顾的意思。
look over 是审阅， 如 look over the paper

belongs
look over
翻译的第一个可以直接这样说，Can I help you?
2.The flowers should be water usuall
3.The * is busy preparing for the 2008 Bei Jing Olympic Games
4.I told her that I konw nothing about this

belongs
look over
Can every one of us do something to save the environment?
Do you need any help?
The flowers should be watered frequently.
The * is busy preparing for the 2008 Bei Jing Olympic Games.
I told her that I knew nothing about this.

医生检查病人用look over