We can protect the world in which we live. We, for example, can grow more trees and recycle rubbish.
A.We can protect the world in which we live as well as we can grow more trees and recycle rubbish.
B.We can protect the world in which we live, growing more trees and recycle rubbish.
C.We can protect the world in which we live by growing more trees and recycling rubbish.
D.We can protect the world in which we live such as growing more trees and recycling rubbish.

He joined the army in 1998. He was soon after promoted to the rank of captain.
A.He was promoted to the rank of captain in 1998 and joined the army.
B.Promoted to the rank of captain in 1998, he joined the army soon later.
C.He worked as a captain in the army and had a promotion in 1998.
D.Joining the army in 1998, he was soon promoted to the rank of captain.

Colour is an important facet of nature. It influences the life of almost every creature.
A.Influencing the life of almost every creature in nature, colour is important.
B.Colour influencing the life of almost every creature being an important facet of nature.
C.Colour, which is an important facet of nature, influencing the life of almost every creature.
D.Colour, which is an important facet of nature, influences the life of almost every creature.

With its various activities, the Camp has set up a stronger regional identity by raising youth’s awareness of Southeast Asia’s history and heritage.
A.heredity
B.tradition
C.endowment
D.bequest

All the presentations and activities at the ASEAN Youth in January 2006 Camp echoed that theme named “Water and the Arts”.
A.reflected
B.mentioned
C.illustrated
D.remembered

Cortes, who conquered Mexico city and destroyed it lately, considered Mexico City to be the most beautiful city he had ever seen.
A.who conquered
B.destroyed it lately
C.to be
D.he had ever seen

The phrase " tried it out" refers to __________ .
A.made effort to sell the cell-phone
B.reported on AT& T
C.tested the cell-phone system ested the cell-phone system
D.introduced the cell-phone system

When did AT& T widely start their cellular phone system?
A.in 2001
B.in 1977
C.in 1981
D.37 years after their first design

How heavy is the first cell phone compared to today's cell phones?
A.ten times as heavy as
B.as heavy as
C.much lighter
D.2 pounds heavier

To whom did Cooper make his first cell phone call?
A.his assistant at Motorola
B.a person on New York street.
C.a member of Bell Laboratories.
D.the director of his company