A.Movies with sound,B.Nylon.C.The radio.D.The computer.
A.Movies with sound,
B.Nylon.
C.The radio.
D.The computer.
A.Movies with sound,
B.Nylon.
C.The radio.
D.The computer.
第1题
A.Movies with sound.
B.Nylon.
C.The radio.
D.The computer.
第2题
Which was an important invention in the 19th century?
A.Movies with sound.
B.The radio.
C.Nylon.
D.The computer.
第3题
A.Movies with sound.
B.The radio.
C.Nylon.
D.The computer.
第4题
Which was an important invention in the 19th century?
A.Movies with sound.
B.Nylon.
C.The radio.
D.The computer.
第7题
There isn't sound proof to support his biological theory.
A.financing
B.publications
C.evidence
D.appreciation
第8题
A.They are moving pictures, color and photographers.
B.They are moving pictures, sound and photographers.
C.They are sound, color and photographers.
D.They are sound, color and moving pictures.
第10题
A.A.make sound rich and full.
B.B.be cures for sound problems.
C.C.be sources of sound problems.
D.D.function as effectively as clouds.