“滴灌”源于以色列农业灌溉方式,这种方式很适合我国哪个地区( )
A:东北平原
B:长江中下游
C:华北平原
D:四川盆地
____ ____ Dale Miller?
It is nearly 50 years ______ the People's Republic of China was founded.
____×____+____=____(个)
____÷____=____(个)……____ (个)