2. 职称英语
  3. Europeans have long known that eating quail sometimes makes the eater ill, but o

Europeans have long known that eating quail sometimes makes the eater ill, but o

游客2024-01-13  48
问题 Europeans have long known that eating quail sometimes makes the eater ill, but only recently has it been established that the illness is caused by a toxin present in the quail’s body only under certain condition.
选项 A、Europeans have long known that eating quail sometimes makes
B、Europeans have long known quail eating is sometimes able to make
C、Eating quail has long been known to Europeans to sometimes make
D、It has long been known to Europeans that eating quail will sometimes make
E、It has long been known to Europeans that quail, when it is eaten, has sometimes made
答案 A
解析 B中有两个缺陷：(1)宾语从句省略了标志词that。(2)quail eating与be able to的搭配不妥。C中用被动语态不妥，同时状语sometimes夹在to与make间，位置不恰当；D、E中：It has been known to sb．that的用法不恰当，一般是用it has been known that的句型。同时D中will所表示的将来时显然违背了句意。而E中：主语quail与谓语has made的搭配不妥，且时态不对，A中that从句中一般现在时表明了一客观事实。
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