2012年12月大学英语六级语法专项练习(23)

　51. He failed to supply the facts relevant ________ the case in question.中 华 考 试 网
A) for      B) with      C) to      D) of（C）
52. Young people’s social environment has a ________ effect on their academic progress.
A) gross      B) solid      C) complete      D) profound（D）
53. In Britain, and on the Continent too, the Japanese are sometimes viewed ________ a threat to domestic industries.
A) like      B) with      C) for      D) as（D）
54. The service operates 36 libraries throughout the country, while six ________ libraries specially serve the countryside.
A) mobile      B) drifting      C) shifting      D) rotating（A）
55. Physics is the present-day equivalent of ________ used to be called natural philosophy, from which most of present-day science arose.
A) that      B) all      C) which      D) what（D）