We are short of clean safe drinking water, which is found to be the ______ in many third world countries.
A．exampleB．eventC．caseD．object
C

試題分析：考查名詞辨析：A. example例子，B. event事件C. case  情況，案例D. object物體，句意是：我們?nèi)鄙俑蓛舻娘嬘盟�，這被發(fā)現(xiàn)是很多第三世界的國家都有的情況。選C。
點(diǎn)評：名詞的用法主要是考查平時的記憶，對相似的單詞要注意辨別，做題時要放在上下文做考慮。還要記憶些相關(guān)的搭配，如in any case“在任何情況下”in no case“絕不”。
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