1. Falling sales and rising overheads have obliged die company to review each customer's__________              limit.
     A. credit                            B. currency
     C. check                             D. certificate

2. Fewer and fewer of today's workers expect to spend their working lives in the same field, _____the same company.
     A. all else                            B. much worse
     C. let alone                           D. less likely

3. Floods cause billions of dollars worth of property damage ________
     h. relatively                             B. actually
     C. comparatively                         D. annual

4. For the sake of calf future generations, we should make rational use of natural __________
     A. resource                              B. resources
     C. material                              D. materials

5. Franklin's talent as an inventor was matched by his __________as a politician.
     A. ability                                B. competence
     C. capacity                               D. capability

6. Free medical treatment in this country covers sickness of mind as well as ________ sicknesses.
      A. normal                            B. ordinary
      C. average                           D. regular

7. From ancient times, the valley of the Nile has been made __________ by the river's floods.
     A. fertile                             B. adequate
     C. wealthy                            D. abundant

8. From here, we can see the bridge__________construction.
     A. below                          B. by
     C. in                             D. under

9. From this material we can ________ hundreds of what you may call direct products.
      A. derive                             B. discern
      C. diminish                           D. displace

10. Generally, it is only when animals are trapped that they to violence in order to escape.
      A. proceed                           B. appeal
      C. resort                            D. incline