look

　　【短语搭配】

　　look after 照顾  look at 看 look for 寻找

　　look down on (upon) 看不起、轻视

　　look forward to 盼望 look into 调查、研究

　　look out 当心、注意     look over 查看、检查

　　look through 浏览

　　look up (在词典或参考书中)查阅(词或资料)

　　【考题回放】

　　(   )The doctor _____ the crying baby, but he couldn’t find out what was wrong with it.

　　A. looked over   B. looked after

　　C. looked for   D. looked out