题目

Something as simple as______vegetables in childhood may help to protect you against serious illness in later life. A．to eat  B．eating     C．to be eating  D．eaten   答案： B 考查非谓语动词。空格前的as为介词，其后的动词应用其动词形式。句意为：童年时像吃蔬菜这样简单的事也许后来会帮助你预防严重的疾病。

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