the student( )the newspaper carefully to find suitable job o

looked through
再问： 为什么look up 不可以。look up 也有查找，翻阅的意思？
再答： look up是查找查阅具体某样东西 如You can look up this word in the vocabulary. 你可以在词汇表里查这个词。 如果是look up the newspaper那岂不成了查找报纸了呀，