Once in a small village there was a young boy name John, whom sold cooking oil.（)

The meeting room is so small that it can hold 20 people ________.

A.at last

B.at most

C.at first

D.at once

此题为判断题(对，错)。

A.钙离子

B.VIll

C.纤维蛋白原

D.纤维结合蛋白

E.血管性血友病因子及因子XIll

A. Dynamic routing is created adhoc and static routing cannot be changed once implemented.

B. Static routing is hard-coded and requires significant administrative overhead for large networks.

C. Static routing requires little administrative overhead and dynamic routing requires significant administrative overhead.

D. Dynamic routing is the best solution for small networks and static routing is the best solution for large scale networks.

A.At times

B.In time

C.On spot

D.At sight

阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。

How often should filing be done？ It depends on how busy the office is. In very busy organizations, filing is done at least every day. In a small or less busy office, filing can be done once or twice a week.

Filing Equipment. Tools that people use in sorting out documents range from small instruments such as paper clips, office pins and staplers to big machines such as photocopiers, printers and paper shredders.

Kinds of Files. Documents taken out very often are usually kept in clip foldersB、otherwise they are often kept in lever arch files. Besides, suspension files and box files are also used for different purposes.

What should be filed？ People need to file documents that are sent to or received from by other people or organizations. These documents can be letters, reports, financial records, policy documents, etc.

* Filing should be done every day in each office.{T、F}

* It is necessary to do filing no less than once every week in a small office.{T、F}

* Only big instruments are useful in sorting out files.{T、F}

* If you need always read the documents, you can put them into lever arch files.{T、F}

* The company's annual reports usually need to be filed.{T、F}