下图是某些物品的近似pH，呈碱性的是（ ）
A．
猕猴桃
B．
醋
C．
纯牛奶
D．
苏打水
答案：D
直线y=3x+1向上平移4个单位后所得的直线的关系式为 ______．
The proverb "Life is but a walking shadow. " is derived from ().
A. Christianity and the Bible
B. great English literary works
C. Shakespeare’s works
D. English tradition and system
