2020年军队职称英语考试《理工类》补全短文日常练习第二套

　　Between 1977 and 1981, three groups of American woman, ___(1)___, between the age of 35 and 65, were given month-long tests to determine how they would respond to conditions resembling those aboard the space shuttle.

　　Though ___(2)___, the women were volunteers and the pay was barely above the minimum wage. They were not allowed ___(3)____ during the tests, and they were expected to tolerate each other's company at close quarters for the entire period. Among other things they had to stand pressure three times the force of gravity and carry out both physical and mental tasks __(4)__. At the end of ten days, they had to spend a further twenty days absolutely confined to bed, during which time they suffered backaches and other discomforts, and when they were finally allowed up, the more physically active women were especially subject to pains due to a slight calcium loss.

　　Results of the tests suggest that women will have significant advantages over men in space. They need less food and les oxygen and they stand up to radiation better. Men's advantages __(5)__, meanwhile, are virtually wiped out by the zero-gravity condition in space.

　　EXERCISE:

　　A): to smoke or drink alcohol

　　B) carefully selected from among many applicants

　　C) numbering 27 in all

　　D) in terms of strength and stamina

　　E) those who are physically stronger

　　F) while exhausted from strenuous physical exercise

　　KEY:C B A F D

　　The development of agriculture and the balance between food and population are China's fundamental economic problems. The classical histories praise emperors for devotion to agriculture and much of China's modern history is ____(1)____, which has been growing steadily.

　　Today, although agriculture accounts for only a quarter of the Gross National Product, it is still the main determinant of the standard of living and the principal occupation of at least 70 percent of population.

　　Agriculture also _____(2)____ because industry needs both agricultural raw materials and food for its work force. The failure of agriculture to supply raw material and food halted and later reversed the industrial progress of the 1950's, After 1960 new emphasis was placed on agriculture, and the slogan "Agriculture is the foundation of the economy" has remained a central Chinese economic policy ever since.

　　___(3)___, there is an indirect link due to the relationship between agriculture and foreign trade. Many of China's exports are ___(4)___ or consumer goods based on them. Flourishing agriculture, therefore, promotes exports. It also reduces the need to spend foreign exchange on imports of grain and cotton, therefore __(5)___.

　　练习：

　　A determines the progress of industry

　　B the story of the unfolding struggle to feed a peasant population

　　C either agricultural raw materials

　　D enlarging the capacity of the economy to import machinery and commodities for industry

　　E In addition to the direct links between agriculture and industry

　　F thus promoting both import and export

　　KEY : B A F C D