题目

Tom and Jack were good friends. One night they had a car accident, in which they were________ hurt. The next morning, Tom woke up blind. The doctor, Mr. Lee, was standing ________ his bed worriedly. When he saw Tom awake, he asked, : “________ are you feeling, Tom?” Tom ________, “Not bad, Doctor. Thank you very much for doing the ________ operation(手术).” Mr. Lee was greatly moved by what Tom said and did.Months later when Jack was ________ enough to leave the hospital, Tom was ________ very sick. He couldn’t see or walk. He could do ________ but stay in his wheelchair all day lo10．设NA为阿伏加德罗常数的数值，下列说法正确的是（　　）A．标准状况下，11.2 L水中含有分子的数目为0.5NAB．1 mol Cl2与足量的NaOH溶液反应，转移的电子数为1NAC．100 mL 0.2 mol•L-1的FeCl3溶液中，含Fe3+数为0.02NAD．常温常压下，22.4 L的NO2和CO2混合气体含有2NA个O原子