然选择B符合题意，故正确。
85. C本题考查名词辨析。scope意为“范围”，range意为“变动范围、视觉范围”，field意为“领域”，district意为“行政区域”。根据句意，此处应为其研究领域之义，因而选项C正确。
86. B本题考查短语动词辨析。called on 与called upon 意义等同，A、C均可排除；called at意为“在某处拜访某人”，与题意不合，也可排除；只有called for （需要）符合题意，故正确。
Part Ⅵ Translation
87. turned a deaf ear to our warnings
88. as fluently as he speaks English
89. Whether Tony will come or not
90. could not help laughing
91. did she become aware/realize
责任编辑:yechenglu
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