6．Busy                 with his new machines，the engineer had no time to make the new information                to his colleagues．（　�。�
A．experimenting； knownB．to experiment； known
C．to experiment； to be knownD．experimenting； to be known

分析 忙于實(shí)驗(yàn)他的新機(jī)器，這名工程師沒有時(shí)間向他的同事公布新信息．

解答 答案是A．本題考查非謂語動(dòng)詞；第一空考查了短語be busy doing sth．（忙于做…），題干中需要的是形容詞短語做狀語，故排除B和C；第二空考查了短語make sth．known 表示"公布…"，其中sth．和know之間是被動(dòng)關(guān)系，故答案是A．

點(diǎn)評(píng) 首先判斷選項(xiàng)中的動(dòng)詞在句中是以謂語還是非謂語形式出現(xiàn)，然后根據(jù)選項(xiàng)在句中的功能結(jié)合非謂語的基本用法做出合理的判斷．要關(guān)注常見非謂語動(dòng)詞的搭配．

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