皮皮学，免费搜题
登录
搜题
【单选题】
()是人们最基本的生存需求，也是维持社会生活秩序得以正常运转的保障。A.
公共安全
B.
感情欲求
C.
生活资料
D.
自我尊重
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】两种分子酸 HX 和 HY 的溶液具有同样的 pH 值,则这两种酸的浓度
A.
c(HX)=c(HY)
B.
c(HX)>c(HY)
C.
c(HX) < c(HY)
D.
无法判断
【简答题】阅读理解，回答问题。 I'm Daming. I will go to Dalian for my holiday this summer. I went to visit my grandma on the farm last year. It was interesting there. There were many animals. And I visited my cousins,too...
【简答题】重大危险源的辨识依据是物质的什么及其数量?
【简答题】两种分子酸HX溶液和HY溶液有同样的pH值,则这两种酸的浓度____相同。____
【单选题】--I went to Dalian for holiday last week. --__________.
A.
So did I
B.
So was I
C.
So I did
D.
So I was
【单选题】---- I went to Dalian for holiday last week. ---- __________.
A.
So did she
B.
So was she
C.
So she did
D.
So she was
相关题目：