in the early industrialized countries of Europe the process of industrialization-with all the far-reaching changes in social patterns that followed-was spread over nearly a century, whereas nowadays a developing nation may undergo the same process in a decade or so.

问答题Furthermore it is obvious that the strength of a country’s economy is directly bound up with the efficiency of its agriculture and industry, and that this in turn rests upon the efforts of scientists and technologists of all kinds.

问答题Owing to the remarkable development in mass-communications, people everywhere are feeling new wants and are being exposed to new customs and ideas, while governments are often forced to introduce still further innovations for the reasons given above.

单项选择题A．-50℃.B．-68℃.C．-70℃.D．-88℃.

问答题Under modern conditions ,this requires varying measures of centralized control and hence the help of specialized scientists such as economists and operational research experts.

单项选择题A．which is very richB．with only more than one million populationC．which produces oilD．all the above