[单项选择]______, a telephone is one of the most useful things in the world when it's working properly.


A. As a whole
B. On the whole
C. Above all
D. As the whole

[单项选择]______, a telephone is one of the most useful things in the world when it's working properly.
A. As a whole
B. On the whole
C. Above all
D. As the whole

[单项选择]telephone is really ______ most useful invention, don't you think so


A. The,/
B. The, a
C. A, /
D. / the

[单项选择]Though telephone is indispensable in one' s everyday life, it brings a lot of troubles as well（）
A. 虽然电话在日常生活中是不可缺少的，但它同时也带来了许多麻烦。
B. 即使电话在一个人的生活中也不贵，但它带来很多好处的同时也带来了许多麻烦。
C. 即使电话在一个人的生活中可有可无，但它会带来很多好处。
D. 虽然电话在一个人的生活中不可缺少，但它也会带来一些烦恼。

[单项选择]She eventually married the most persistent one of her admirers.（　）
A. in a way
B. in due course
C. in the end
D. in any case

[单项选择]What is the most important one among the realities listed in the passage


A. New vulnerabilities will be introduced into your environment every day.
B. The manager educates employees about properly configuring firewalls and intrusion detection systems for their PCs.
C. Managers have more responsibility than ever.
D. Security managers are asked to support increasing degrees of network availability and access.

[单项选择]A most useful tool for analyzing the elemental composition of fossils is the electron probe, a modify electron microscope.

[单项选择]Water is one of the most abundant but also one of the most wanted substances on Earth（　）.
A. ample
B. multiple
C. adequate
D. plentiful

[单项选择]One tool that is useful during both analysis and design is the（），which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.
A. data dictionary
B. dataflow diagram
C. use case diagram
D. entity-relationship diagram

[单项选择]One day Mrs. Alison answered a telephone call from ______.

[单项选择]It is most important that one of the brakes on your bicycle ______ properly.
A. will work
B. had worked
C. works
D. work

[单项选择]

Passage One
Uncle Sam is a tall, thin man. He’s an older man with white hair and a white beard. He often wears a tall hat, a bow tie, and the stars and stripes of the American flag.
Who is this strange, looking man Would you believe that Uncle Sam is the U.S. government But why do you call the U.S. government Uncle Sam
During the War of 1812, the U.S. government hired meat packers to provide meat to the army. One of these meat packers was a man named Samuel Wilson. Samuel was a friendly and fair man. Everyone liked him and called him Uncle Sam.
Sam Wilson stamped the boxes of meat for the army with a large U.S. for United States. Some government inspectors came to look over Sam’s company.
They asked a worker what the U.S. on the boxes stood for. As a joke, the worker answered that these letter stood for the name of his boss, Uncle Sam.
The joke spread, and soldiers began saying that their food came from Uncle Sam.
A. Uncle Sam
B. United States
C. Soldiers
D. America