方方的卧室铺了60块边长为40厘米的地砖，这间卧室面积约______平方米．

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private - key encryption methods are called (66) ciphers, information is encrypted with (67) both the sender and receiver hold privately. Public - key encryption methods are called (68) ciphers, (69) created for each user, encryption key and decryption key ale (70) .

A．two related keys ale

B．a key is

C．two unrelated keys ale

D．three keys ale

最高管理者应提供下列哪些证据：（）

A.向组织传达满足法规的重要性；

B.确保质量目标的制定；

C.确保资源的获得；

D.A.+B.+C.。

设有定义语句int (*f)(int)；，则以下叙述正确的是

A．f是基类型为int的指针变量

B．f是指向函数的指针变量，该函数具有一个int类型的形参

C．f是指向int类型一维数组的指针变量

D．f是函数名，该函数的返回值是基类型为int类型的地址

物业管理师以第一作者身份公开出版5万字以上物业管理专著，必修课（）学时。

A．5

B．10

C．15

D．20

下列程序段的输出结果为( )。 A=0 Print A+I A=3

A．1

B．-1

C．3

D．0