Although their roles may be quite different, it is apparent that a large proportion of engineers must concern themselves   1    the interrelationship    2    materials and manufacturing processes. Low-cost manufacture does not just happen. There is a close and interdependent relationship between the design of a product, selection of materials, selection of processes and equipment, and tooling selection and design.   3    of these steps must be carefully considered, planned, and   4    before manufacturing starts. This lead time, particularly for complicated products, may take months, even years, and the expenditure of large amount of money may be involved.    5    , the lead time for a completely new model of an automobile is about 2 years, for a modern aircraft it may be 4 years.
With the advent of computers and machines that can be controlled by   6    tapes made by computers or by the computers   7    , we are entering a new era of production planning. The integration of the design function and the manufacturing function through the computer is called CAD/CAM (computer aided design/computer aided manufacturing). The design is used to determine the manufacturing process planning and the programming information for the manufacturing processes themselves. Detailed drawings can also be made from the central data base   8    for the design and manufacture, and programs can be generated to make the parts as needed. In addition, extensive computer aided testing and inspection (CATI) of the manufactured parts is taking place. There is   9    doubt that this trend will continue at ever-accelerating rates as computers become  10        and smarter.

1.   A. on         B. with        C. over         D. to             
2.   A. between     B. among      C. with         D. of         
3.   A. Every       B. One        C. First         D. Each
4.   A. coordinate   B. coordination   C. coordinated  D. coordinating
5.   A. Type        B. Typic       C. Typical       D. Typically
6.   A. both        B. either       C. one          D. each
7.   A. themselves   B. itself       C. own          D. them
8.   A. using       B. use         C. used          D. user
9.   A. not         B. no          C. any          D. some
10.  A. cheap       B. expensive    C. cheaper       D. more expensive

Key
1. B      2. A      3. D      4. C      5. D   
6. B      7. A      8. C      9. B      10. C