下列描述，不属于物理性质的是 [ ]
A．通常状况下，氧气是一种无色无味的气体
B．铁在潮湿的空气中易生锈
C．水在4℃时密度最大
D．铜能导电
答案：B
You have failed to do what you ________ to and I’m afraid the teacher will blame you.
A．will expect
B．expected
C．will be expected
D．were expected
对于语文教学而言，采用（）——陶冶教学模式就比较恰当。
