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Text 3 The relationship between formal education and economic growth in poor countries is widely misunderstood by economists and politicians alike progress in both area is undoubtedly necessary for the social, political and intellectual development of these and all other societies however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong. We are fortunate that is it, because new educational systems there and putting enough people through them to improve economic performance would require two or three generations. The findings of a research institution have consistently shown that workers in all countries can be trained on the job to achieve radical higher productivity and, as a result, radically higher standards of living. Ironically, the first evidence for this idea appeared in the United States. Not long ago, with the country entering a recessing and Japan at its pre-bubble peak. The U.S. workforce was derided as poorly educated and one of primary cause of the poor U.S. economic performance. Japan was, and remains, the global leader in automotive-assembly productivity. Yet the research revealed that the U.S. factories of Honda Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese countere pants a result of the training that U.S. workers received on the job. More recently, while examing housing construction, the researchers discovered that illiterate, non-English- speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry’s work. What is the real relationship between education and economic development? We have to suspect that continuing economic growth promotes the development of education even when governments don’t force it. After all, that’s how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things. As education improved, humanity’s productivity potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn’t constrain the ability of the developing world’s workforce to substantially improve productivity for the forested future. On the contrary, constraints on improving productivity explain why education isn’t developing more quickly there than it is. 31. The author holds in paragraph 1 that the important of education in poor countries ___________. [A] is subject groundless doubts [B] has fallen victim of bias [C] is conventional downgraded [D] has been overestimated
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【简答题】用力法计算图示结构 δ11=( ) δ12=( ),δ22=( ),Δ1p=( ),Δ2p=( ). (答案用分数表示)
【简答题】阅读理解。 When we want to tell other people what we think, we can do it with the help of words. We can also do it in many other ways, too. Sometimes we move our heads up and down when we want to say 'yes'...
【判断题】项目档案结构字典的作用是存储各大类项目对应的项目档案基表的数据结构,一大类项目对应一个数据结构,用此结构创建项目档案基表。
A.
正确
B.
错误
【简答题】图示结构,用力法计算时,以X 1 为基本未知量,其力法方程的系数δ 11 =______。
【多选题】颈外动脉的走行特点为()。
A.
起自颈总动脉
B.
在颈动脉三角内先行向前上再转向后上
C.
经二腹肌后腹、茎突舌骨肌及舌下神经浅面进入下颌后窝
D.
上行于腮腺浅面
E.
在下颌髁,状突颈部内后方分为上颌动脉与颞浅动脉两终支
【单选题】图示结构支座A下沉了d并发生了顺时针方向转角a,当用力法计算并取图(b)为基本结构时,力法方程应为( )。
A.
δ11X1+△1c=0
B.
δ11X1+△1c=d
C.
δ11X1+△1c=a
D.
δ11X1+△1c=-a
【单选题】颈内动脉海绵窦瘘行闭塞颈内动脉的术前准备中,下列最重要的是
A.
术前MRI检查了解其静脉走向
B.
术前脑血管造影了解瘘口大小
C.
术前颅多普勒了解瘘口大小流速
D.
Matas试验:手指压迫颈总动脉于第6颈椎横突上,时间从10~15分/次,逐渐延长>30分/次,每天5~6次。无头昏、眼花及肢体活动障碍为合格
E.
心电及脑电监护
【单选题】用力法求解图(j)所示结构,已知支座A产生转角Ф A ,支座B产生竖向沉陷Δ BV ,取其基本结构如图(k)所示,Δ 1Δ 表示由于支座A的转角而在支座B产生的竖向位移,所以其力法方程为()。
A.
δ 11 X 1 +Δ 1Δ =0
B.
δ 11 X 1 +Δ 1Δ =Ф A
C.
δ 11 X 1 +Δ 1Δ =Δ BV
D.
δ 11 X 1 +Δ 1Δ =Ф A +Δ BV
【单选题】在图(a)所示的结构中,AB梁用桁架加固,其中CD杆因加工短了,计算安装后各杆的内力时,取图(b)所示的相当系统,相应的力法正则方程为δ 11 X 1 +△=0,式中△=(    )。
A.
-δ;    
B.
0;    
C.
δ;    
D.
δ/2。
【单选题】图(a)所示桁架,采用图(b)所设基本结构,其变形协调条件的力法方程写为:δ 11 X 1 +△ 1t =△,其中△应为:(    )。
A.
0    
B.
C.
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