During the 1980s, unemployment in some countries was as high as 90 percent. Some countries did not _31_ enough food; basic needs in housing and clothing were not _32_. Many of these countries looked to the industrial processes of the developed nations _33_solutions.
_34_, problems cannot always be solved by copying the industrialized nations. Industry in the developed nations is highly automated and very _35_. It provides fewer jobs than labor-intensive industrial processes, and highly_36_ workers are needed to _37_and repair the equipment. These workers must be strained, _38_ many nations do not have the necessary training institutions. Thus must be sent abroad to _40_ vocational and professional training. _41_just to beginning, the students must _42_learn English, French, German, or Japanese. The students then students must _42_ learn English, German, or Japanese. The students then spend many years abroad, and _43_ do not return home.
All nations agree that science and technology _44_be shared. The point is: countries _45_ the industrial processes of the developed nations need to look carefully _46_ the costs, because many of these costs are _47_ Students from these nations should _48_ the problems of the industrialized countries closely. _49_care, they will take home not the problems of science and technology, _50_the benefits.
31.[A]generate [B]raise [C]produce [D]manufacture
32.[A]answered [B]met [C]calculated [D]remembered
33.[A]for [B]without [C]as [D]about
34.[A]Moreover [B]Therefore [C]Anyway [D]However
35.[A]expensive [B]mechanical [C]flourishing [D]complicated
36.[A]gifted [B]skilled [C]trained [D]versatile
37.[A]keep [B]maintain [C]retain [D]protect
38.[A]since [B]so [C]and [D]yet
39.[A]charge [B]price [C]cost [D]value
40.[A]accept [B]gain [C]receive [D]absorb
41.[A]Frequently [B]Incidentally[C]Deliberately [D]Eventually
42.[A]soon [B]quickly [C]Deliberately [D]Eventually
43.[A]some [B]others [C]several [D]few
44.[A]might [B]should [C]would [D]will
45.[A]adopting [B]conducting [C]receiving [D]adjusting
46.[A]to [B]at [C]on [D]about
47.[A]opaque [B]secret [C]sealed [D]hidden
48.[A]tackle [B]learn [C]study [D]manipulate
49.[A]In [B]Through [C]With [D]Under
50.[A]except [B]nor [C]or [D]but
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