Many people think that the price of houses is not _______ for them to afford.
A:high enough
B:enough high
C:low enough
D:enough low
判断.
把单位“1”分成8份,表示这样的3份的数是 38 .
与人体激素调节无关的是( )
如图表示种群的各个特征之间的关系,下列叙述正确的是( )