A.It should be raised by soldiers.
B.It should be raised quickly by hand.
C.It should be raised only by Americans.
D.It should be raised by mechanical means.

A.It should be attached to the statue.
B.It should be hung from the top of the monument.
C.It should be spread over the object to be unveiled.
D.It should be carried high up in the air.
A.There has been a lot of controversy over the use of flag.
B.The best athletes can wear uniforms with the design of the flag.
C.There are precise regulations and customs to be followed.
D.Americans can print the flag on their cushions or handkerchiefs.
A.visits to the Nixon Library.
B.the Chinese students' visit to the U.S.
C.a meeting discussing relations between China and the U.S.
D.activities to strengthen the ties between the Chinese and American students.