《唐律疏议》记载：“脯肉有毒，曾经病人，有余者速焚之，违者杖九十；若故与人食并出卖，令人病者，徒一年；以故致死者绞；即人自食致死者，从过失杀人法。”材料表明唐代法律（    ）

“十月怀胎，一朝分娩”，我们要感谢母亲给予我们生命，铭记母亲的恩情．母体供给胎儿营养物质的途径是（    ）

一个直棱柱有12个顶点，那么它的面的个数是（　 　）

【数据分析】若撤去图乙中的C装置，则测得工业烧碱的纯度将____（填“偏高”、“偏低”或“无影响”）。

    Danny's class 1have a party. Danny wants to make a special cake2 the party. He wakes up early in the morning. He won't be 3. Danny begins 4the cake. He puts some flour(面粉), oil(油), milk and a little salt(盐) 5 the bowl(碗). He makes a picture6 it. It 7 like the flag of Canada. But he forgets 8 the sugar. There is 9 in the cake, too. Every piece of the cake 10 a cent in it.