[单项选择]During the 1920s in Germany and during the 1980s in Brazil and Israel, inflation reached hyperinflationary levels. People received their wages and spent them immediately. Companies received revenues from their sales and immediately paid them out as wages and dividends. This behavior best reflects which one of the following adverse effects of inflation for an economy（）
A. Tax distortion.
B. Gains by employers at the expense of employees.
C. Increased transactions costs.

[单项选择]During the 1920s and 1930s, （　） was one of the fastest growing segments of the international tourism industry.
A. cruise tourism
B. air tourism
C. train tourism
D. coach tourism

[单项选择]During the 1980s, unemployment and underemployment in some countries were as high as 90 percent. Some countries did not (1) enough food; basic needs in housing and clothing were not (2) . Many of these countries looked (3) the industrial processes of the developed nations (4) solutions.
However, problems cannot always be (5) by copying the industrialized nations. Industry in the developed nations is (6) automated and very expensive.It provides (7) jobs than labor-intensive industrial processes, and highly (8) workers are needed to (9) and repair the equipment.These workers must be trained, (10) , many nations do not have the necessary (11) institutions. Thus, the (12) of importing industry becomes higher. Students must be sent abroad to (13) vocational (职业的) and professional training (14) , just to begin training, the students m
A. on
B. for
C. to
D. into