What will the world use for power when it has() oil?
A.run down
B.run off
C.run out
D.run out of
A.run down
B.run off
C.run out
D.run out of
What can help us know what is going on in the world?
A.Books.
B.newspapers.
C.TV and radios.
D.A,B,C and others.
Communication is important because it can help people to ______.
A.understand the world and other people better
B.teach each other to speak, write, read and draw
C.know what other people are thinking about
D.learn what's happening in the world more quickly
A.Learned mathematical arts
B.Explored the natural and social world
C.Learned specific topics
D.Sought help
What does the passage tell us about the significance of the Olympic Games?
A.They are the world's most important athletic events and mark the friendship among people of the world.
B.They not only provide exciting sporting events but also make great contributions to world peace.
C.They allow people of the world to enjoy most important athletic events and bring great economic benefit to the host sponsor country.
D.They offer best sporting events and promote cooperation between countries.
A.as does his mother
B.as his mother does
C.as did his mother
D.his mother as did
What does the writer imply according to the passage?
A.Male elephants are hunted more than female elephants
B.Both male elephants and female elephants are equally hunted
C.Each elephant has a long life
D.There are not any ivory hunters in the world now.
According to passage, it is telephone that ______.
A.has made letter writing an art
B.has prevented wars by avoiding written communication
C.has made world different from what it was
D.has caused wars by magnifying and extending human conflicts