某校园工程结构裂缝事故梁侧面裂缝的主要原因是()
A.水平剪切力
B.地基不均匀沉降
C.混凝土收缩
D.膨胀土效应
参考答案:C
How is your sister?
-She___ quite good after the operation, but she is taking a tum for the worse today.
A.felt
B.feels
C.had felt
D.has been feeling
慢性肺源性心脏病失代偿期心功能失代偿的表现是()
A.以右心衰为主
B.以左心衰为主
C.以全心衰为主
D.以肺水肿为主
E.以肝淤血为主