皮皮学，免费搜题
登录
搜题
【单选题】
层次和协议的集合称为A.
网络体系结构
B.
网络层次
C.
网络架构
D.
网络拓扑结构
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文： Religious and private schools receive little or no support from public taxes in the United States. As a result, they are more expensive to attend. The religious schools in America axe usually ru...
A.
The number of students they take in is limited.
B.
They receive little or no support from public taxes.
C.
They are only open to children from rich families.
D.
They have to pay more taxes.
【单选题】听力原文： Religions and private schools receive little or no support from public taxes in the United States. As a result, they are more expensive to attend. The religious schools in America are usually nm...
A.
The number of students they take in is limited.
B.
They receive little or no support from public taxes.
C.
They are only open to children from rich families.
D.
They have to pay more taxes.
相关题目：