We all know that, __________, the situation will get worse. A. not if dealt carefully with B. if not carefully dealt with C. if dealt not carefully with D. n
Recordings of angry bees are enough to send big, tough African elephants running away, a new study says. Beehives (蜂窝)-either recorded or real-may even prevent elephants from damaging farmer's c
的图像如图所示，那么关于x的方程 
的根的情况是（ ） 
