西周初期，土地归王一人所有，诸侯和臣属对土地只有占用、使用权而无处分权，不许买卖，所谓的“（）”。
参考答案：田里不鬻
单词拼写。
1. Beg p_____, I didn't quite catch your meaning.
2. Disco music usually has strong b_____ to it.
3. She went upstairs to f_____ some newspapers.
4. Mr. Zhang _____ (举起) his hat and smiled at us.
5. How beautiful your bedroom _____ (天花板) is!
与细菌表面甘露糖残基结合，启动MBL途径的是（）
A.S蛋白
B.IgM与抗原结合形成的复合物
C.P因子
D.MBL
E.DAF
