【简答题】若(a,b)=1,则T(ab)=T(a)T(b)(这里T(a)表示a的正约数的个数). 若(a,b)=1,则T(a+b)=T(a)+T(b)?
【单选题】How many bedrooms are there in Eddy's flat?
【简答题】以下对继承的描述错误的是( ) A)Java中的继承允许一个子类继承多个父类 B)父类更具有通用性,子类更具体 C)Java中的继承存在着传递性 D)当实例化子类时会递归调用父类中的构造方法
【判断题】完善的危机处理系统的建立能使我们尽早捕捉企业出现危机前的征兆性信息,并及时对信息进行整理、分析与评估,进而决定是否发出危机沟通警报,以便企业采取必要的防范措施。
【简答题】中国古典园林有着丰富多彩而又深沉含蓄的美。____
【单选题】已知向量 a =(2,t), b =(1,2) ,若 a ⊥ b ,则( )
【简答题】翻译T eddy bears got their name from American President T heodore
“Teddy” Roosevelt.
【单选题】Man: How did Eddy do in the interview? Woman: He left the room with only one question unanswered. Question: How well did Eddy do in the interview?
A.
He answered all the questions very well.
B.
He left as soon as he heard the last question.
C.
He left after he asked only one question.
D.
He answered all the questions but one.
【简答题】涡流扩散项(eddy diffusion)