【題目】—Is there anything amazing in today’s newspaper?

—Yes. By using ordinary computers, NASA scientists are busy________ at home to control a space rover(天體登陸車）on the Red Planet. .

A.to programmeB.programmingC.programmeD.with programming

【答案】B

【解析】

句意：——今天的報紙上有什么驚人的消息嗎？——是的。通過使用普通電腦，美國宇航局的科學(xué)家們正忙著在家里編程，控制這顆紅色星球上的一輛天體登陸車。

考查非謂語。to programme編程，動詞不定式；programming編程，現(xiàn)在分詞或者動名詞結(jié)構(gòu)；programme編程，動詞原形；with programming編程，介詞+動名詞結(jié)構(gòu)；根據(jù)句意理解可知，這里表達(dá)的是“忙于做某事”，英語是be busy doing/ with sth，所以空格應(yīng)該用doing形式，故選B。

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