根据我国法律法规的相关规定，下列选项中，不属于企业免税收入的是( )。A．国债利息

当你服药时，必须遵照这些指示。

尸体解剖时常见到的灰白色固体质块是()

A．白色血栓

B．红色血栓

C．混合血栓

D．血凝块

E．寄生虫

Flow control is a function that prevents network congestion by ensuring that (1) do not overwhelm (2) with data. There are three commonly used methods for handling network congestion. (3) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (4) are used by receiving devices to help prevent their buffers from overflowing. (5) is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

1（）

A．transmitting devices

B．transmitted devices

C．receiving devices

D．received devices

对属（）发现的案件，可视情况不再追究或减轻追究发案行有关人员的责任，并可视情况不再追究或减轻追究上级行有关人员的责任。

A、外部检查

B、内部审计

C、上级行检查

D、自查

正常的舌象不包括（）

A.舌质淡红

B.舌苔薄白

C.舌体活动灵活

D.舌体柔软

E.舌质娇嫩