用下列()物质处理可将含有杂质CuO、Fe2O3、PbO的ZnO原料中的杂质除去。
A、H2SO4;
B、HCl;
C、NaOH;
D、Na2CO3
参考答案:C
用所给单词的适当形式填空。
1. Today is my brother Jim's ________ (nine) birthday.
2. Look! The father is ________ (make) a toy for his son.
3. There are three ________ (lab) in our school.
4. My mother would like ________ (buy) a new sweater for me.
5. My sister says she likes ________ (rain) days.
土地确权工作中不可或缺的重要依据是事实依据,不包括()。
A.县级以上人民政府的批准文件、处理决定
B.市级以上国土资源行政主管部门的调解书
C.人民法院生效的判决、裁定和调解书
D.当事人依法达成的协议