表示弱碱吸收的Henderson—Hasselbalch的方程式是()
A.
B.
C.
D.
E.
参考答案:B
The couple is considering a 3D TV set for their new flat, which is widely considered to be in fashion.
A.to buy
B.buy
C.buying
D.to be bought
配合煤炼焦的唯一目的是能够得到质量好的焦炭。