2017考博英語詞匯語法模擬試題及答案

詞匯語法題大多數博士研究生招生院校都有此類題型，考博生們在平時復習可以多練習找找語感。 )yZ^[uJ}3C  
　　1. After people have learned that magnets attract things, centuries passed ____ they took note of the fact that magnets sometimes also repel things. 'XjZ_ng  
　　A. before B. until C. after D. since mnX2a  
　　2. He is off to Paris again tomorrow. He tells me that, with this journey, he ________ there and back twenty times. FbFPJ !fb  
　　A.will be B. will have been joAv{Tc  
　　C.will go D. will have gone #'szP\  
　　3. Many ways have been found_____small and simple machine to process large and complicated machine parts. e\zm7_+i{  
　　A. by using B. to use C. using D. used FHg 9OI67亚洲国产精品va在线观看麻豆