题目

塔里木盆地气候干旱的主要原因是（    ） ①深居内陆,距海遥远       ②纬度较高，气温较低      ③终年积雪，冰川广布 ④周围有高大山脉环抱，来自海洋的气流不易到达 A．①②                      B．②④                      C．②③                      D．①④36、If the safety protections against the accidents         , the miners         a chance to survive then.        A．were taken; would have                        B．had been taken; didn’t have        C．had been taken; would have had            D．were taken; would have