为了使得IC设计成功率高，设计者应该掌握哪些主要工艺特征？
参考答案：
从芯片外延和掩膜制作，光刻，材料淀积和刻蚀，杂质扩散或注入，到滑片封装的全过程。
风心病最常见的并发症是（）
A．呼吸道感染
B．心力衰竭
C．心律不齐
D．亚急性感染性心内膜炎
E．栓塞
WebSQL is a SQL-like (71) language for extracting information from the web. Its capabilities for performing navigation of web (72) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (73) , all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.
A．query
B．transaction
C．communication
D．programming
