23.________by mean of words can the writer persuade a person of the truth in what he says or make anyone care about it.  
A. Obviously         B. only  
C. When             D. Unless  
24. Contract rights, as a type of property, may be sold or otherwise______from one person or institution to another.  
A. extended          B. transferred   
C. claimed           D. bargained  
25. Inflation causes society to use more of its resources for today’s purposes and to _______less for tommorrow’s needs .  
A. make up         B. check up   
C. set aside          D. work out   
26. Although all the obligations are not_______set out in the wedding ceremony itself, they are part of the law of every nation.  
A. regularly           B. specifically  
C. systematically       D. optimistically  
27. While the scientists were at work in their laboratories, other men______to cope with living things in their natural settings.  
A. had continued       B. would continue  
C.were continuing      D. would have continued  
28. The purpose was ______knowledge more meaningful so that it could be understood instead of being mechanically memorized.  
A. to make            B. making  
C. for making          D. of making  
29. The guess is that when the figures_______, the November unemployment rate will be 5.6 percent, up from 5.4 in October.  
A. come out           B. come off  
C. come about         D. come true  
30. Some government programs are limited to specific groups within the population, such as_______,members of the armed forces, and government employees. 
A. vehicle            B. vibration  
C. veterans           D. vessel