题目

短文填空。根据短文内容，在短文的空格处填入一个恰当的词，使短文内容完整、意思正确。每空一词。One day a dentist was starting his morning work. Suddenly a man【1】in . His face was red and he could only say “Quick! Quick!” The dentist thought he【2】be very ill. His assistant helped to make the poor man sit 【3】a chair. The dentist gave the man some【4】 to make him sleep. Then , he looked into the man’s【5】and pulled out all the bad teeth. As 【6】 as the man woke up, he said in a low voice, “Quick, doctor, quick.”“It’s al俗话说“大树底下好乘凉”、“千里之堤，溃于蚁穴”．这都体现了（ ）A．生物能影响环境B．生物能适应一定的环境C．环境能影响生物的生存D．生物与环境可以相互影响