题目内容
【题目】If you want to learn more about this concept, you may _____ Professor Li’s paper.
A.look up to
B.add to
C.look forward to
D.refer to
【答案】D
【解析】
考查动词短语。句意:如果你想进一步了解这个概念,你可以参考李教授的论文。A. look up to尊敬;B. add to加入;C. look forward to期待;D. refer to涉及;参考。结合句意故选D。
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