Governments worldwide act on the assumption that the welfare of their people depends largely on the economic strength and wealth of the community. Under modern conditions, this requires varying measures of centralized control and hence the help of specialized scientists such as economists and operational research experts. Furthermore, it is obvious that the strength of the 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. It also means that governments are increasingly compelled to interfere in these sectors to step up production and ensure that it is utilized to the best advantage. For example, they may encourage research in various ways, including the setting up of their research centers; they may alter the structure of education or interfere to reduce the wastage of natural resources or develop resources hitherto (到目前为止) unexploited; or they may cooperate directly in the growing number of international projects related to scientific and technological manpower of all kinds. Owing to the remarkable development in mass communications, people everywhere feel new wants. They are being exposed to new customs and ideas, while governments are (单选题 2分) What can governments do to promote production? ( ) A. Interfere in different sectors that can promote science and technology to ensure smooth operation. B. Ask scientists and technologists to improve efficiency. C. Change the structure of education to train more scientists. D. Utilize natural resources to the best of their advantage.
(31) Under modern conditions, this requires varying measures of centralized cont
[名词解释] 调度集中 centralized traffic control(CTC)
[单选题]When under maneuvering conditions with the machinery being manually operated the control unit or console should beA.automatically controlledB.continuously mannedC.off powerD.continuously unmanned
[单选题]Under normal conditions a liferaft is released from itscradle by().A . cutting the restraining strapB . unscrewing the turnbuckle on the back of the cradleC . lifting one end of the raftD . pushing the plunger on the center of the hydrostatic release
A fire is considered “under control” when ______.A. all hands are at their fire
[单选题]Their parents oncelived under very [severe] conditions.A.tightB. strictC. h
[问答题]We must take some measures to control the pollution.
[问答题]We must take some measures to control the pollution.
[单选题]They have beenliving under the most [appalling] conditions for two years.A.
[单选题]They have beenliving under the most [appalling] conditions for two years.A.