王某自1985年以来一直受雇于X市Y县的W公司从事汽车驾驶员工作，月工资1509元，

After years of hard work ,he has at last achieved his lifelong       of launching a newspaper, which is very popular with teenagers.

A．ambition

B．appetite

C．motivation

D．privilege

对士兵的抽考由中队自行组织。（）

国家投资到社会再生产领域，从事生产经营活动的资产是（）。

A.资源性国有资产

B.行政性国有资产

C.经营性国有资产

D.事业性国有资产

A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication, TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocolis to create a  (2) and error-control mechanism at the transport level. TCP uses a sliding(3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve(4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends  (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.

空白（5）处应选择（）

A.ports

B.streams

C.packets

D.cells

免疫复合物性肾小球肾炎的病灶（）

A.依赖于红细胞和补体

B.致尿量增多

C.既需要补体，又需要中性粒细胞

D.依赖于巨噬细胞

E.需要抗体和补体的全部9种组分