【題目】Our lifestyle ________ a lot since the Spring Festival. We care more about our diets.

A.changesB.will changeC.has changedD.is changing

【答案】C

【解析】

句意：今年春節(jié)以來，我們的生活方式發(fā)生了很大變化。我們更關(guān)心我們的飲食。

考查動(dòng)詞時(shí)態(tài)。changes改變，動(dòng)詞三單；will change將改變，一般將來時(shí)結(jié)構(gòu)；has changed已經(jīng)改變，現(xiàn)在完成時(shí)結(jié)構(gòu)；is changing正在改變，現(xiàn)在進(jìn)行時(shí)結(jié)構(gòu)；根據(jù)句意及句中的since可知，這里的動(dòng)詞應(yīng)該用現(xiàn)在完成時(shí)，結(jié)構(gòu)是have/ has+過去分詞，而句子主語是lifestyle，所以這里應(yīng)用has，故選C。

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