I want to write. I need a _____. [ ]
A. skirt
B. pen
C. basketball
答案:B
读图填空:
(1)大洋:
A______;B______;C______.
(2)大洲:
D______;E______;F______.
(3)山脉:
①______;②______;③______.
在下述复合地基处理方法中,适合于柔性桩复合地基的是()。
A.CFC桩
B.砂石桩
C.树根桩
D.钢渣桩