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1. In excess of 80 percent of the UN’s budget is used ……………. the economic development of member nations. A. support B. supporting C. the support D. to support

1. Although the scientific community had hoped that the field of transplantation ……………., the shortage of organ donors has curtailed research. A. progress B. had progressed C. would progress D. progressing

1. The consistency of protoplasm and that of glue ……………. A. they are alike B. are similar to C. are similar D. the same

1. Because …………….. food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of breast feeding. A. not B. no C. none D. some

1. Often a team of engineers is ………………. A. work on one project B. on one project work C. working on one project D. to working on one project

1. In 1975, according to the national center for health statistics, the average life expectancy for people born during that year …………….. 72.4 years. A. is B. were C. are D. was

1. His body-guard will keep him safe ……………… the crowded. A. from B. on C. to D. of