磺酸多数都是液体。
参考答案:错
解析:磺酸多数都是固体。
The bank is ______ the supermarket. It's easy ______ there. [ ]
A. in front; get to
B. in the front of; get to
C. in front of; to get
D. in the front of; to get
胸膜增厚、粘连、钙化的叙述,哪些正确?()
A.局限性增厚粘连,表现为肋隔角变钝
B.广泛性增厚粘连时,见患侧胸廓塌陷,肺野密度增高
C.沿肺野外侧肋骨内缘见线条状密度增高影
D.肋间隙变宽和横膈低平
E.胸膜钙化多见于结核性胸膜炎和脓胸