(1)山脉:1_________2_________3 _________4_________5_________6_________7_________8_________9_________ (2)高原:10_________高原,11_________高原,12_________高原,13________高原 (3)盆地:14_________盆地,15_________盆地,16_________盆地,17_________盆地 (4)平原:18_________平原,19_________平原 (5)丘陵:20_________丘陵 |