标准中指定人员包括（） A.实施外部沟通的人员 B.启动召回的人员 C.负责执行召回

抑制性突触后电位

A．是去极化局部电位

B．有“全或无”性质

C．是超极化局部电位

D．是突触前膜递质释放量减少所致

我们党的民族政策是什么？

丙注册会计师负责C公司20×8年度财务报表的审计工作，在销售与收款循环的审计中遇到下列问题，请代为做出正确的专业判断。

丙注册会计师发现C公司20×8年2月1日销售产品一批给N公司，价税合计为117万元，取得N公司不带息商业承兑汇票一张，票据期限为6个月。C公司20×8年4月1日将该票据向银行申请贴现，银行不拥有追索权。C公司实际收到90万元，款项已存入银行，未进行会计处理，注册会计师应建议的调整分录为（）。

A．借：货币资金90

贷：应收票据90

B．借：货币资金90

营业外支出27

贷：应收票据117

C．借：货币资金90

贷：短期借款90

D．借：货币资金90

财务费用27

贷：短期借款117

关于便秘的治疗，以下哪项是错误的（）

A.热秘取手足阳明经穴为主

B.气秘取任脉、足厥阴肝经穴为主

C.虚秘取足阳明、足太阴经穴为主

D.冷秘取督脉、足少阴肾经穴为主

E.虚秘、冷秘均可以加取背俞穴

Many people are surprised when they find the Internet(因特网)was set up in the 1960s. At that time, computers were large and expensive. Computer networks(网络) didn’t work well. If one computer in the network broke down, then the whole network stopped. So a new network system (系统) had to be set up. It should be good enough to be used by many different computers. If a part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time.
At first the Internet was only used by the government, but in the early 1970s,universities(大学) ,hospitals and banks were allowed(允许) to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and easier to use.
Today it is easy to get on-line(上网) and it is said that millions of people use the Internet every day. Sending e-mail is more and more popular among students.
The Internet has now become one of the most important parts of people’s life.

The Internet has a history of ______ years.

A. less than 30

B. about 40

C. about 20