问题
多项选择题
应用关节清理术治疗类风湿性关节炎的手术治疗原则与滑膜切除术相比较，相同点是
A．相同的切口和入路
B．凿除妨碍关节活动的骨刺和骨嵴
C．切除增生肥厚的滑膜组织
D．切除增厚、纤维化或骨化的关节囊
E．刮除肉芽及血管翳
答案
参考答案：A,C,E
解析：[解题思路] 相同点是相同的切口和入路，切除增生肥厚的滑膜组织，刮除肉芽及血管翳。
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应用关节清理术治疗类风湿性关节炎的手术治疗原则与滑膜切除术相比较，相同点是
A．相同的切口和入路
B．凿除妨碍关节活动的骨刺和骨嵴
C．切除增生肥厚的滑膜组织
D．切除增厚、纤维化或骨化的关节囊
E．刮除肉芽及血管翳
参考答案：A,C,E
解析：[解题思路] 相同点是相同的切口和入路，切除增生肥厚的滑膜组织，刮除肉芽及血管翳。
We are all busy talking about using the Internet, but how many of us know the history of the Internet? Many people are ___36___ when they find that the Internet was set up in the 1960s. At that time, computers ___37___ large and expensive. Computer networks didn’t work well. If one computer in the network ___38___ down, the whole network stopped. ___39___ a new network system（系统）had to be set up. It should be ___40___ to be used by many different computers. If part of the network was not working, ___41___ could be sent through another part. In this way computer network system would keep on ___42___ all the time. At first the Internet was only used by the government, but in the early 1970s, universities, hospitals and banks were allowed to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and ___43___ to use. Scientists had also developed software that made “surfing”（浏览）the Internet more convenient. Today it is easy to get on-line and it is said that millions of people use the Internet every day. ___44___ e-mail is more and more popular among students. The Internet has now become one of ___45___ parts of people’s life.
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