Which sector is one of the most spectacular and controversial achievements of U.S. science in the 2nd half of the 20th century?
A、Nuclear Science
B、Information Technology
C、Environmental Technology
D、Biotechnology
A、Nuclear Science
B、Information Technology
C、Environmental Technology
D、Biotechnology
A、Abundant natural resources
B、A well-developed infrastructure
C、High productivity
D、The Commonwealth
E、The world's largest population
F、Nationwide social reform against the feudalism
A、Britain
B、France
C、Germany
D、China
E、Australia
F、Canada
A、Alan B. Shepard
B、Yuri Gagarin
C、John F. Kennedy
D、Neil Armstrong
E、Justin Bieber
F、Margaret Thatcher
A、Generally speaking, the children aged 3-18 are legally required to attend the compulsory education in the U.K.
B、Generally speaking, the children aged 4-17 are legally required to attend the compulsory education in the U.K.
C、Generally speaking, the children aged 5-16 are legally required to attend the compulsory education in the U.K.
D、Generally speaking, the children aged 5-18 are legally required to attend the compulsory education in the U.K.
A、3 years
B、4 years
C、5 years
D、6 years
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