20.-Why are wetlands so important to wildlife?
-Because it can ______ them with food and cover.(  )
A.practiceB.provideC.prepareD.prevent

分析 --為什么是濕地對野生動物如此重要?--因為它能為他們提供食物和掩蔽物.

解答 打。築.考查動詞詞義辨析.句意:--為什么是濕地對野生動物如此重要?--因為它能為他們提供食物和掩蔽物.practice練習(xí).provide提供.prepare準(zhǔn)備.prevent阻止.結(jié)合題干問句為什么是濕地對野生動物如此重要?和回答food and cover食物和掩蔽物.可知因為它能為他們提供食物和掩蔽物.provide sb with sth為某人提供某物,是固定搭配.故選B.

點評 理解各個選項的含義,及其用法的區(qū)別,根據(jù)具體內(nèi)容作答.

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