the climber failed_____ his attemp to reach the summit

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• the climber failed_____ his attemp to reach the summit
• 英语高手进,用介词in,on ,of ,from 填空 ,并说下所在介词组的意思,1,Did angthing emerge ____your discussion?2,Nothing will prevent him ____succeeding.3,He persisted_____asking question.4,Do you mean to say you have never heard_____Beethoven.5,we expect a great deal____you,Tome.6,My hands smell___soap.7,We have embarked___a new scheme.8,I belive____taking my time.9,Jones was dismissed_____the film.10,The climber failed_____his attempt to reach the summit.11,Many people escaped
• 英语翻译
• 直线y=2x+b与x轴交与A点,与y轴交与B点,且△AOB的面积为9,求b