关于肝炎病毒与传播途径的组合，正确的是（） A.HAV——消化道 B.HBV——输血

漫画《补充两字》启发我们

A．要坚持实事求是原则

B．要坚持一分为二的观点

C．要坚信事物的前途是光明的

D．要集中全力抓主要矛盾

The UNIX operating system is made up of three parts; the kernel, the shell and the programs. The kernel of UNIX is the (71) of the operating system: it allocates time and memory to programs and handles the filestore and communications in response to (72) .
The shell acts as an (73) between the user and the kernel. When a user logs in, the (74) program checks the username and password, and then starts another program called the shell. The shell is a command line (75) (CLI). It interprets the commands the user types in and arranges for them to be carded out. The commands are themselves programs: when they terminate, the shell gives the user another prompt (% on our systems).

A．system commands

B．system calls

C．system transfer

D．system deliver

证券公司、托管机构应当保证客户能够按照集合资产管理合同约定的时间和方式，至少每月披露一次集合计划份额净值.

　　随着2010年上海世博会的日益临近，你对它的兴趣也越来越浓厚，经常和班里的同学谈起这个话题。

　　为了让更多的同学了解世博会，你的做法是：____________________________________________。此外，你还希望自己能当上一名世博会志愿者，有同学说：“那么辛苦地去提供无偿服务，还要花那么多时间和精力，这是不是有点犯傻？”对此，你的回答是：________________________________________________。

美容院装潢设计中运用冷色调会使顾客产生舒适感。（）