相平衡曲线离对角线越远,相对挥发度越()。
A、大
B、小
C、持平
参考答案:A
— _____ yogurt do you need?
— We need _____ yogurt. [ ]
A. How much; two teaspoon of
B. How many; two teaspoon of
C. How many; two teaspoons of
D. How much; two teaspoons of
林木种子审定是确认林木品种是否林木良种的法定必经步骤。