【简答题】The 20th century has witnessed an enormous worldwide political,economic and cultural ______. A) tradition B) transportation C) transmission D) transformation
【单选题】The remarkable progress of science and technology in the 20th century has brought enormous benefits to humankind. Long and healthy lives, economic prosperity and a pleasant and convenient living envir...
A.
may cause the lack of scientists throughout the world in the century to come
B.
is mainly due to the explosion of scientific information
C.
may increase the communications gap between young people and scientists