在面向对象技术中,对象是类的实例。对象有三种成分:()、属性和方法。
A.标识
B.级别
C.封装
D.消息
参考答案:A
根据汉语提示完成下列句子。
1. We have to ____________ ___________ ___________(想出) some new ideas to solve the
environment problems.
2. The police found the lost car _____________ _______________(偶然地).
3. Watching the new TV play Yimeng _____________ ___________ ___________(使我想起)
my hometown.
4. I ___________ _____________ (有困难) in learning grammar and memorizing new words.
员工培训的目的有()方面。
A.6个
B.5个
C.4个
D.3个