Cet-6-1.10-Exercise 01O) It’s important to bear in mind that when we offer a structural interpretation of unemployment, a “loss of jobs” means an increase in productivity. Traditionally, economists have argued that productivity increases are a good thing, even though they may cause unemployment for some workers in the short run. In the long run, the economy does not run out of jobs. Rather, new jobs emerge as old jobs disappear. The story we tell is that average well-being rises, and the more people are able to adapt, the more widespread the improvement becomes.
A. While many countries use the smarter EMV cards, the US still clings to its old magstripe technology.
B. Increases in productivity prove beneficial though some people may lose their jobs temporarily.
Cet-6-1.10-Exercise 02F) When Watts looked into the history of “the greatest painting of all time”, he discovered that, for most of its life, the “Mona Lisa” remained in relative obscurity. In the 1850s, Leonardo da Vinci was considered no match for giants of Renaissance art like Titian and Raphael, whose works were worth almost ten times as much as the “Mona Lisa”. It was only in the 20th century that Leonardo’s portrait of his patron’s wife rocketed to the number-one spot. What propelled it there wasn’t a scholarly re-evaluation, but a theft.
A study of the history of the greatest paintings suggests even a great work of art could experience years of neglect.
B. Until recently American society has failed to see what homelessness is all about.
继电器的型号表示法,采用汉字拼音字母和数字表示,字母表示继电器种类,数字表示( )。
A. 缓放时间
B. 吸起时间
C. 线圈的阻值
D. 接点组数
无极型继电器的电源使用直流电,( )辨别输入物理量的特征。
A. 不能
B. 一定能
C. 可能
D. 有时能、有时不能