等腰梯形ABCD中,AB∥DC,AD=BC=8,AB=10,CD=6,则梯形ABCD的面积是 ( )
A:1615
B:165
C:3215
D:1617
Nowadays, many countries are looking for ____ (renewable/renew) energy to protect the environment.
家庭制作甜米酒时,常常需要向煮熟的糯米中加入( )
***成立以后,最早来黄石传播革命真理和开展建党工作的是( )