使用HttpClient的Get方式请求数据时，可以（）类来构建Http请求。 A.

搜题请搜索小程序“爱下问搜题”

问题单项选择题

使用HttpClient的Get方式请求数据时，可以（）类来构建Http请求。

A.Get

B.URLConnection

C.HttpGet

D.HttpPost

答案

参考答案：C

多项选择题

自中药中提取总皂苷的方法有（）

A．水提取，丙酮沉淀法

B．乙醇提取，正丁醇萃取法

C．甲醇提取，丙酮沉淀法

D．乙醇提取，乙醚沉淀法

E．乙醇提取，醋酸乙酯萃取法

单项选择题

Rebaselining may be required in cost control when （）.

A．CVs are severe, and a realistic measure of performance is needed

B．revised cost estimates are prepared and distributed to stakeholders

C．corrective action must be taken to bring expected future performance in line with the project plan

D．EAC shows that additional funds are needed to complete the project even if a scope change is not needed