31. At the end of the 19th century, Binet developed a test for measuring intelligence ____ served as the basic modern IQ tests.
A. and B. which has C. has D. it has
32. Women with high qualifications ____ to managers.
A. most move B. most be moved C. must promote D. must be promoted
33. The girl and flowers ____ he painted were very lively.
A. that B. whose C. who D. which
34. Reducing gender ____ improves productivity and economic growth of anation.
A. possibility B. rights C. equality D. inequality
35. The speed of light is ____ the speed of sound.
A. the fastest B. as fast C. faster D. much faster than