关于化脓性关节炎的描述中，错误的是

A．浆液纤维素性渗出期软骨被破坏

B．关节腔穿刺是诊断化脓性关节炎的最重要手段

C．化脓性关节炎后功能保留及保留程度关键在于手术的彻底性

D．X线检查可出现关节挛缩畸形或骨性强直

E．难以行穿刺插管的较深大关节化脓者宜行关节矫形术

Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams can tell us about ourselves. It’s like our (11) is talking to us.
Why are dreams (12) strange and hard to understand Some people think our brain uses (13) to talk to us. When we fly, swim, or fall down in our dreams, it has a (14) meaning. Lots of doctors help people (15) their dreams. They find that dreams tell us about our (16) and fears.
These days, many scientists (17) that dreams are very important. During the day, we have many (18) , and our brain receives a lot of information. When we dream, our brain (19) information that is not important, and puts the most important information into our (20) . As we learn more about the brain, we may find answers to our questions about dreams.

Ⅰ. 完形填空

A．finish

B．forget

C．understand

D．continue