Student: I'm nervous.
Teacher:______. Betty, you'll finish it quickly.
第1题:
Susan: Betty, we'd like you to join us at a buffet party next Saturday.
Betty: ___________, Susan. What time do you expect me to be there?
A、I'd love to
B、No way
C、By no means
D、I'm afraid not
第2题:
从Student类和Teacher类多重派生Graduate类
第3题:
“一旦小玲写完了实验代码并且运行成功,她就不会延迟提交论文并且周一会给老师看。”以下表示正确的是:
A.finish(小玲,代码)∧work(代码) → delay_submit(小玲,论文) ∨ give(小玲,论文,teacher(小玲))
B.finish(小玲,代码)∧work(代码) ∧ ¬delay_submit(小玲,论文) ∧ give(小玲,论文,teacher(小玲))
C.finish(小玲,代码)∧ work(代码) ∧ ¬delay_submit(小玲,论文) ∧ give(论文,teacher(小玲))
D.finish(小玲,代码)∧ work(代码) → ¬delay_submit(小玲,论文) ∧ give(小玲,论文,teacher(小玲))
第4题:
第5题:
在视频中,父类Person、子类Student和Teacher,都必需定义whoAmI()方法。