问题
单项选择题
陶瓷器具表面的釉质易被酸性介质腐蚀而溶出()
A、铁
B、铝
C、铅
D、石英
答案
参考答案:C
陶瓷器具表面的釉质易被酸性介质腐蚀而溶出()
A、铁
B、铝
C、铅
D、石英
参考答案:C
选择正确的句子补全对话。 | |
B: Five. My parents, my grandpa, my grandma, my sister and me. A: _________________________________________________________ B: My father is a teacher and my mother is nurse. A: _________________________________________________________ B: ______________________________________________ She's a driver. A: _________________________________________________________ B: She's a student. |