On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the ea
题型：不详难度：来源：
On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the earth.| A．practicing | B．preventing | C．polluting | D．protecting |
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答案
| D |
解析
| 本题考查词义辨析，practice：实践；练习；prevent：预防；阻碍；阻止；pollute：污染；玷污；破坏；protect：保护，保卫。根据句意，应为“在第四十个地球日，王博士给我们作了关于保护地球的重要性的报告。”应为保护地球，选D。 |
举一反三
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