城市人行道最小宽度不得小于( )m。
A.3.0
B.2.0
C.1.5
D.1.0
参考答案:C
I prefer _______ at home ________ the match.
A.to stay; to watch
B.staying; to watching
C.staying; rather than watch
D.stay; rather than watch
岩基灌浆按灌注材料不同分类,主要有()、()、()三类。