专升本考试

【单选题】At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly ______ to another subject.

A、committed B、switched
C、favoured
D、transferred

网考网参考答案：B
网考网解析：
本题测试动词辨异。A．commit犯(错误，罪行)，干(坏事，傻事)；B．switch转换或改变(话题，议题)，意同change；C．favour喜爱，支持；有利于，偏爱；O．transfer迁移，转移。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>