Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened (21) . As was discussed before, it was not (22) the 19th century that the newspaper became the dominant pre-electronic (23) , following in the wake of the pamphlet and the book and in the (24) of the periodical. It was during the same time that the communications revolution (25) up, beginning with transport, the railway, and leading (26) through the tele graph, the telephone, radio, and motion pictures (27) the 20th-century world of the motor car and the air plane. Not everyone sees that process in (28) . It is important to do so.
It is generally recognized, (29) , that the introduction of the computer in the early 20th century, (30) by the invention of the integrated circuit during the 1960s, radically changed the process, (31) its
A. after
B. by
C. during
D. until
A Grassroots Remedy Most of us spend our lives seeking the natural world. To this end, we walk the dog, play golf, go fishing, sit in the garden, drink outside rather than inside the pub, have a picnic, live in the suburbs, go to the seaside, buy a weekend place in the country. The most popular leisure activity in Britain is going for a walk. And when joggers (慢跑者) jog, they don’t run the streets. Every one of them instinctively heads to the park or the river. It is my profound belief that not only do we all need nature, but we all seek nature, whether we know we are doing so or not. But despite this, our children are growing up nature-deprived (丧失). I spent my boyhood climbing trees on Streatham Common, South London. These days, children are robbed of these ancient freedoms, due to problems like crime, traffic, the loss of the open spaces and odd new perceptions about what is best for children, that is to say, things that can be bought, rather than things that can be found
A. The natural environment can help children learn better.
B. More access to nature makes children less likely to fall ill.
C. A good playground helps kids develop their physical abilities.
D. Natural views can prevent children from developing ADHD.
中外双方经过多次协商，决定设立一家合作企业，并在合作企业合同中约定
（1）中外合作企业设立董事会，中方担任董事长，外方担任副董事长，董事会每届任期四年，董事长和董事均不得连任；
（2）注册资本为50万美元，中方出资40万美元，外方出资10万美元；
（3）合作期限12年。
我来回答:
