【答案】
1. C 2. B
【原文】
（2-1）Israeli and Lebanese troops exchanged fire in an incident that broke years of relative calm on the border.（这场交火打破了巴以边界上这几年相对平静的局势。）There are conflicting accounts of what happened.（1）The Israeli army says its troops came under sniper fire during a routine operation on Israelis side of the frontier.（以色列军方表示，当其部队在以方边界上进行日常巡逻时遭到了对方的伏击。）
（2-2）An Israeli battalion commander was killed and another officer seriously wounded.( 一位以色列的营长身亡，另一位以色列军官受重伤。）Army spokesman Avi Benayahu told Israel Radio this was（2-3）an uNPRecedented provocation by the Lebanese Army and a blatant violation of ceasefire agreements.(这是前所未有的黎巴嫩对以色列发起的挑衅，他们很明显违背了停火协议。）
