People begin to understand the natural resources are not () , which can be used up without caution.
A、numerous
B、numerable
C、inexhaustible
D、valuable
第1题:
A.CAN 2.0A,CAN 2.0C
B.CAN 2.0C
C.CAN 2.0B,CAN 2.0C
D.CAN 2.0A,CAM 2.0B
第2题:
第3题:
第4题:
第5题:
第6题: