问题
单项选择题
—Could you tell me what time the train leaves Hefei for Beijing
—I'm afraid you need to ______ on the internet.
A. look for it
B. look at it
C. look it over
D. look it up
答案
参考答案：D
解析： look for意思是寻找，强调找的时间久，look at意思是看，不太符合本题语境，look over是仔细检查的意思，look up意思是查字典查资料，通过这些来获取信息。所以选D项，网上一般都用查找资料。