[单项选择]The United Kingdom is also known by its official name
A. the United Kingdom of Great Britain and England.
B. the United Kingdom of Great Britain.
C. the United Kingdom of British Isles.
D. the United Kingdom of Great Britain and Northern Ireland.

[单项选择]The United Kingdom is also known by its official name ______.
A. the United Kingdom of Great Britain and England
B. the United Kingdom of Great Britain
C. the United Kingdom of British Isles
D. the United Kingdom of Great Britain and Northern Ireland

[单项选择]The official name of the United Kingdom is______.
A. the United Kingdom of Great Britain
B. the United Kingdom of Great Britain and Ireland
C. the United Kingdom of Britain and Northern Ireland
D. the United Kingdom of Great Britain and Northern Ireland

[单项选择]Nevertheless, the United States maintained its military _________ in some African and West ern Asian countries despite international protest.
A. attachment
B. involvement
C. interaction
D. communication

[单项选择]Switzerland is (best) known for its (majesty) mountain range and (thousands) flock to the Alps each year to take advantage of (their) ideal skiing conditions.
A. best
B. majesty
C. thousands
D. their

[单项选择]______ is well-known for its important role in the American space navigation program.
A. Atlanta
B. Houston
C. Seattle
D. Dallas

[单项选择]Not only ______be interesting to us, but also its language will help us in composition.
A. the novel will
B. will the novel
C. is the novel
D. the novel is

[单项选择]The national flag of the United States is known as ______ .
A. the Star-Spangled Banner
B. Uncle Sam
C. Hot Dog
D. Union Jack

[单项选择]Northern Ireland is well known in the United Kingdom mainly for its ______.
A. political problems
B. population
C. land
D. culture

[单项选择]The United Nations is trying its best to ______ in any international dispute so as to keep peace and security.
A. intercept
B. interpret
C. interact
D. intervene

[单项选择]Link aggregation is also known as port:（）
A. distribution
B. mirroring
C. spanning
D. trunking

[单项选择]

An ebook, also known as an electronic book, is an electronic version of a print of book that you can download and read. What you need in order to read an ebook is an Ebook reader, which is a kind of free software used by your computer. Make sure you have the proper Reader before you download your ebook from the Internet. The software allows you to turn the words on the screen into proper size you like. It also helps you turn pages and change your choice of viewing. Ebooks are a fun alternative to regular books, you can download them to any computer, including your portable computer so you can take them with you when you travel, and create your own library of hundreds of titles. Best of all, when you order an ebook, there is no waiting and no shipping or handling charges. The amount of time it takes to download your ebook depends on the speed of your connection and the size of your ebook.

From this passage, we can learn that （）
A. reading an ebook involves a lot of trouble
B. the ordered ebooks have to be shipped to you
C. you can order an ebook from the Ebook Reader
D. travelers call create an ebook on a portable computer