在其他条件相同时，水泥标号愈高，则混凝土的强度愈弱。
参考答案：错
--- This is the worst food I've ever tasted.
--- ____________.
A．Don’t say that.
B．You can say that again!
C．I’m sure about it.
D．Yes, they are.
葡萄的休眠对低温的要求非常严格，因此难以解除休眠。
