下面几种耦合,耦合度最高的是(11),下面几种内聚,内聚度最弱的是(12)。
A. 数据耦合
B. 控制耦合
C. 标记耦合
D. 公共耦合
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已知广义表L=(a,(b,c,d),e),运用head和tail函数取出L中的原子b的运算是(34)。
A. tail(head(tail(L)))
B. head(tail(head(L)))
C. head*mil(tail(L)))
D. head(head(tail(L)))
当对一个系统的动态方面建模时,通常有两种使用活动图的方式,它们是(16)。
A. 对工作流建模和对数流据建模
B. 对控制流建模和对操作流建模
C. 对控制流建模和对数据建模
D. 对工作流建模和对操作建模
听力原文:M: Good morning, Miss Smith.
W: Good morning. Can I help you?
M: Yes. I want to borrow a book" Harry. Porter"
W: Let me check it for you. Yes, here you are.
M: Thank you. Here's my card. I wonder how long I can keep it?
W: You may keep it for two weeks. The book you've just borrowed is to be returned on May 18th.
M: What happens if I can't finish reading it in two weeks?
W: You can come here and renew it for another two weeks.
M: That's good. Thank you for your help.
W: Not at all. That's what I'm here for. Come again.
M: I will. Good-bye.
Where does the conversation most likely take place?
A. In the classroom.
B. In the dormitory.
C. In the library.