21. In some western countries, demand for graduates from MBA courses has reduced.
A. turned down B. turned over C. fallen down D. fallen over
22. Only sovereign states are able to make treaties.
A. constitutional B. powerful C. legitimate D. independent
23. Soils are not renewable resources that support all mankind.
A. gentlemen B. humans C. structures D. culture
24. Calipers (测径仪) are instruments that can be used to gauge the distance between two surfaces.
A. create B. measure C. fill D. enclose
25. It was foolish of him to look at his notes during that important test, and as a result, he got punished.
A. stick to B. refer to C. keep to D. point to

参考答案
21-25 CDBBB