单词拼写 1. Washington D.C. is the (首都)of America. 2.Hainan Island is in the (南部) of China. 3.The (人口)of Beijing is very large. 4.He is not free; he is b (忙) 5.I like sports, (尤其)table tennis and basketball. 答案:1.capital 2.south 3. population 4.busy 5. especially在北方的冬季,常见的几种物态变化现象中,属于凝华的是( )A.室外冻冰的衣服变干B.房间窗户玻璃的内表面出现冰花C.湖面结了厚厚的一层冰D.正在跑步的人,口中呼出“白气”