How many types can ICs be classified into by function?
A. one
B. two
C. three
D. four
查看答案
What's the meaning of " make up" in the text?
A. 化妆
B. 弥补
C. 组成
D. 整理
What are the advantages of ICs?
A. weight reduction
B. high reliability
C. excellent functional performance
D. low cost
E. low power dissipation
微信支付 
支付宝支付