A:enough active still
B:enough still active
C:still active enough
D:still enough active
下图所示茅草屋是撒哈拉以南非洲的典型民居,结构十分简陋;撒哈拉以南非洲医疗卫生状况也非常糟糕。造成该地区经济发展水平低的根本原因是( )
一元二次方程x2+2x﹣1=0的实数根的情况是( )
What the weather like yesterday? It was sunny.