People in some countries waste water______ people in others don’t have enough to drink.
A．whileB．becauseC．ifD．so
A

試題分析：考查連詞辨析。A當…時；而，可是；B因為；C如果；D于是；句意：一些國家的人浪費水，而其它國家的人沒有足夠的水喝。根據(jù)句意說明上下文之間存在著轉(zhuǎn)折關(guān)系。故A正確。
點評：此題主要考查連詞的辨析，選擇連詞主要是看前后句的關(guān)系，因果關(guān)系用表因果的連詞，轉(zhuǎn)折關(guān)系用轉(zhuǎn)折連詞，并列關(guān)系用并列連詞，要求考生具有一定的句子分析能力和詞義辨析能力。
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