6．__________ the help of our teachers，we __________ the problem？（　　）
A．Under； took no trouble in solving
B．In； had no trouble at solving
C．On； kept on troubles to solve
D．With； had no difficulty solving

分析 在老師的幫助下，我們解決這些問題沒有困難．

解答 答案是D；本題考查介詞搭配和動詞短語；with the help of在…的幫助下，故第一空用with；第二空考查短語have difficulty （in）doing 表示"做某事有困難"，故答案選D．

點(diǎn)評 本題考查介詞短語的語義辨析，考生在平時的學(xué)習(xí)中應(yīng)注意積累相應(yīng)的短語和詞匯，并牢記其意思．在做題時，將短語的意思和題干相結(jié)合，從語法、句子結(jié)構(gòu)尤其是句意上去判斷，句意通順，符合邏輯，即正確答案．

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