更多"Much unfriendly feeling towards com"的相关试题:
[单项选择]Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction.Computers are often used as part of automated (自动化的) production systems requiring a least possible number of operators, causing the loss of many jobs. This has happened, for example, in many steelworks.
On the other hand, computers do create jobs. They are more skilled and better paid, though fewer in number than those they replace. Many activities could not continue in their present form without computers, no matter how many people are employed. Examples are the check clearing (交换) system of major banks and the weather forecasting system.
When a firm introduces computers, a few people are usually employed in key posts (such as jobs of operations managers) while other staff are re-trained as operators, programmers, and data preparation staff. After the new system has settled down, people in non-computer jobs are not always replaced when t
A. the possible widespread unemployment caused by their introduction
B. their use as part of automated production systems
C. the least possible number of operators
D. the production system in steelworks
[单项选择]Much thought has been given over the recent years to ways of keeping meetings short.
A. 近年来人们对于控制会议长度的方法提出了很多想法。
B. 最近几年来人们对于如何减少会议数量提出了很多意见。
C. 近年来人们对于控制会议长度的方法考虑了很多。
D. 如何在最近几年内减少会议数量是很多人都曾考虑过的问题。
[单项选择]How much seawater has been sprayed into the Fukushima Daiichi nuclear reactors to keep them cool More (31) than the number of tons of water is the amount of sea salt that was (32) in the reactors: ninety-nine thousand pounds (33) in reactors NO. 2 and 3, and fifty seven thousand in reactor No.1, according to the Times. (34) one might suppose, it is not good for any sort of (35) to have that much salt in it. During the Berlin Airlift, one of the biggest challenges was carrying salt into the city: no matter how it was (36) , it always seemed to get into and (37) the planes’ engines. (And yet the city needed salt to survive. ) And it is not good for nuclear reactors; the heat and the way that it came in, on water, meant that it (38) and crystallized around the uranium fuel rods. From the Times:
Crusts insulate the rods from the water and allow them to (39) up. If the crusts are thick enough, they can bloc