熬煮牡蛎的汁浓缩后调制而成的液体调味品称为（）。
A、鱼露
B、牦鼓
C、牦露
D、牦油
参考答案：D
—How are you going to spend this weekend?
—_________ the weather is fine, we’ll climb Mount Tai.
A．As well as
B．As good as
C．As soon as
D．As long as
换填垫层的厚度的范围是如何规定的？每层厚度宜为多少？
