（）主要用来起吊和绑扎构件以便进行起吊安装。
A.钢丝绳
B.吊索
C.卡环
D.横吊梁
参考答案：B
You won't feel the _______ of so many trees if people continue to cut___________. [ ]
A. beautiful; them down
B. beauty; them down
C. beautiful; down them
D. beauty; down them
急性肾衰竭肾实质性损害包括（）
A.急性肾小管坏死
B.急性肾间质病变
C.肾小球病变
D.肾小血管病变
E.肾皮质坏死
