一个主机要向另一个主机发送IP数据报。是否使用ARP就可以得到该目的主机的硬件地址，

Hello, I’m Kate. This is a photo of my aunt’s family. The woman in the photo is my aunt, Jane. She is a teacher and she is very kind(善良). These are my cousins Jim and Jack. They are seven and they are twins(双胞胎). Look! That lovely（可爱的） baby is my aunt’s little daughter, Rose. She is only one. I love them very much.

小题1:There are ______ people in the photo.

A．three

B．four

C．five

D．six小题2:My aunt has _______.

A．two daughters

B．two sons and a daughter

C．two daughters and a son

D．only one son小题3:Rose is my aunt’s _______.

A．son

B．sister

C．mother

D．daughter小题4:Jim and Jack are_______.

A．eleven

B．brother and sister

C．twins

D．mother and son小题5:Rose is Kate’s _______.

A．sister

B．mother

C．cousin

D．teacher

在一次射击中，运动员命中的环数是7，9，9，10，11，其中9是[ ]

A．平均数

B．中位数

C．众数

D．既是众数又是中位数

牛腹腔侧壁肌由内向外依次为（）

A.膈肌、腹横肌、腹斜肌

B.腹直肌、腹横肌、腹斜肌

C.腹直肌、腹斜肌、腹横肌

D.腹外斜肌、腹内斜肌、腹横肌

E.腹横肌、腹内斜肌、腹外斜肌

下列化学方程式书写正确的是（　　）

A．2H₂O

B．Cu+AgNO₃→CuNO₃+Ag

C．2Mg+O₂→2MgO

D．2KMnO₄

______ 对于 规避 相当于 制度 对于 ______

A．躲避 激进
B．信用 管理
C．风险 完善
D．法律 缺失