【題目】This chemical class is about the ______ of metals with oxygen and our teacher shows us how iron ______ air and water.

A. react; reacts with B. react; reacts to

C. reaction; reacts to D. reaction; reacts with

【答案】D

【解析】

試題分析：考查同根動(dòng)詞、名詞及短語(yǔ)。react（動(dòng)詞）反應(yīng)--- reaction（名詞）回應(yīng)，反應(yīng)；react with同---其反應(yīng)；react to作出反應(yīng)�；瘜W(xué)課是關(guān)于金屬和氧在一起的反應(yīng)，老師展示給我們鐵與水和空氣是怎樣起反應(yīng)的。故選D。

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