已知圆C:(x-1)2+(y+2)2=4,点P(0,5),则过P作圆C的切线有且

题型:填空题

问题:

已知圆C:(x-1)2+(y+2)2=4,点P(0,5),则过P作圆C的切线有且只有______条.

考点:圆的切线方程
题型:填空题

常见的感染性肉芽肿不包括()

A.结核性肉芽肿

B.麻风性肉芽肿

C.异物性肉芽肿

D.伤寒性肉芽肿

E.风湿性肉芽肿

题型:填空题

This is my rabbit. Do you know ________name?       [ ]

A. it                            

B. it's                            

C. its                        

D. her

题型:填空题

解散纯脂肪以形成肥皂的过程称为。()

A、皂化作用

B、冻干作用

C、升华作用

D、发酵作用

题型:填空题

()的()是世界上最早的针灸学专著。

题型:填空题

Consider a commercial bank that is about to make a large variable-rate loan. Which of the following would be an appropriate position for the bank to hedge its risk with this loan Pay:()

A. variable to a currency swap counterparty and receive fixed. 

B. variable to an interest rate swap counterparty and receive fixed. 

C. fixed to an interest rate swap counterparty and receive variable.

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