搜题请搜索小程序“爱下问搜题”
问题 单项选择题

就受理信访事项的数据统计、信访事项涉及领域以及被投诉较多的机关等事项，县级以上人民政府信访工作机构应当向（）定期提交信访情况分析报告。

A.上级人民政府

B.下级人民政府

C.本级人民政府

D.上级和本级人民政府

答案

参考答案：C

单项选择题

VLDL的主要生成部位是

A．小肠黏膜

B．脂肪组织

C．血浆

D．肾脏

E．肝脏
查看答案
单项选择题

The usual way to ensure reliable delivery is to provide the (16) with some feedback about what is happening at the other end of the line. Typically, the protocol calls for the receiver to send back special (17) frame bearing positive or negative (18) about the incoming frames. If the sender receives a positive acknowledgement about a frame, it knows the frame has arrived safely.On the other hand, a negative acknowledgement means that something has gone wrong, and the frame must be transmitted again. An additional complication comes from the possibility that hardware troubles may cause a frame to (19) completely. In this case, the receiver will not react at all, since it has no any reason to react. It should be clear that a protocol in which the sender transmits a frame and then waits for an acknowledgement, positive or negative, will hang forever if a frame is ever lost due to, for example, (20) hardware.

（17）是（）

A.data

B.control

C.request

D.session
查看答案