问题
选择题
You’d better not always look up the new words ____________ the dictionary while reading. Sometimes we need to guess.
A．in
B．on
C．at
D．from
答案
答案：A
考查介词的用法。句意“在阅读时，你最好不要总是在字典里查生词。有时我们需要猜测。”look up...in the dictionary“在字典里查找”。故选A。