EXERCISES：
　　1．Multiple choices（according to paragraph）．
　　（1）CAD
　　a．Computer-Access Device
　　b．Computer-Aided Design
　　c．Computer Aided Diagnosis
　　d．Computer-Aided Detection
　　（2）CAM
　　a．Central Address Memory
　　b．Civil Air Management
　　c．Computer-Aided Manufacturing
　　d．Computer-Aided Mathematical Analysis
　　（3）CAE
　　a．Computer-Aided Engineering
　　b．Computer-Aided Education
　　c．Canadian Aviation Electronics
　　d．Carbon Alcohol Extractions
　　2．True / False．
　　（1）The manufacturing process starts from the design specifications and ends with shipping of the actual products．
　　（2）Most of the information generated and handled in the synthesis subprocess is quantitative．
　　（3）Once a design has been completed，after optimization or some tradeoff decision，the design evaluation phase begins．
　　（4）The outcome of process planning is a production plan，a materials order，and machine
　　programming．
　　答案：
　　1．
　　（1）b
　　（2）c
　　（3）a
　　2．
　　（1）t
　　（2）f
　　（3）t
　　（4）t