最合适的治疗方案是A．单纯肾切除术 B．根治性肾切除术 C．经腹肾切除＋放疗和化疗

下列不属于成套设备合同执行的关键节点是（）。

A．在经过质保期运行后，最终确定货物的功能、性能、质量是否能够满足要求

B．在运行过程中对货物讲行试验或检验，以判断货物的功能、性能是否能够满足要求

C．对货物整体安装完毕后的调试和最终验收

D．货物各单元的安装和验收

阅读填空。

　　Americans usually eat three     l    a day. Breakfast usually comes before

eight o'clock in the morning. They usually have eggs, some meat, bread, fruit

juice and coffee. Lunch is    2   

　　twelve and one o'clock. It is like a light meal and working people must    3  

lunch with them or get it near their workplace.

　　Children in school take sandwiches, fruit, and cookies (饼干) with them or

have lunch in the school. Dinner, the main meal,   4    between six  and eight in

the evening. People cook it carefully. They may have meat such as chicken,

turkey and duck. They may have potatoes or rice, vegetables or salad. The drink

is coffee, tea or milk. Then    5    the dessert.

1._____ 2._____ 3._____ 4._____ 5._____

下列对中国古代政治制度的叙述，正确的是 　　　　　　　（　 　）

A．秦朝建立三省六部制

B．汉代废除宰相制

C．唐代开始建立监察制度

D．清朝设立军机处

单肺通气时，V/Q比值是（）。

A.减少

B.增加

C.不变

D.先增加后减少

E.先减少后增加

对于证单不全的入境邮寄物，检验检疫机构作退回或销毁处理，并出具《检验检疫处理通知书》。( )