38.64÷8的商是无限小数．
下列有关建设生态城市的说法中，不正确的是（ ）
- There ________ many trees at the foot of the mountain.
- But now they are slowly disappearing because of human activities.
当α∈{12，1，3}幂函数y=xα的图象不可能经过的是第____ 象限（符合条件的要全填）．
