11、Revolutionary developments in both observational and theoretical astronomy (took place) in the 1960’s.
A.commenced
B.occurred
C.were disputed
D.were exchanged
12、In the legends of the American West, Paul Bunyan’s most (treasured) possession was Babe the Blue Us, whose horns were said to span a distance of 42 ax handles.
A.comical
B.valued
C.expensive
D.colorful
13、A supernova is a star that explodes and then slowly fades to less than its original (brightness).
A.size
B.weight
C.radiance
D.imortance
14、Over six million citizens of the United States collect benefits from (private) pension plans each year.
A.unauthorized
B.confidential
C.nontransferable
D.nongovernmental
15、Since the 1950’s literary critics have attempted to answer the question: When did children’s literature first (emerge) as a distinct literary genre?
A.improve as
B.appear as
C.conform to
D.respond to
A.commenced
B.occurred
C.were disputed
D.were exchanged
12、In the legends of the American West, Paul Bunyan’s most (treasured) possession was Babe the Blue Us, whose horns were said to span a distance of 42 ax handles.
A.comical
B.valued
C.expensive
D.colorful
13、A supernova is a star that explodes and then slowly fades to less than its original (brightness).
A.size
B.weight
C.radiance
D.imortance
14、Over six million citizens of the United States collect benefits from (private) pension plans each year.
A.unauthorized
B.confidential
C.nontransferable
D.nongovernmental
15、Since the 1950’s literary critics have attempted to answer the question: When did children’s literature first (emerge) as a distinct literary genre?
A.improve as
B.appear as
C.conform to
D.respond to