Imagine your life   1    manufacturing. You would have no bicycle to ride, no television to watch, and no sneakers to wear. There would be no clothes, no furniture, no airplanes. Lifesaving devices1 such as artificial hearts could not even    2  . Manufacturing is making products. And the products can be large     3    small, simple or complex.
Making parts and    4   them together is manufacturing. If you make parts and put them together     5   a product, you are     6   . But today, when most people think of manufacturing, they think    7    the manufacturing industry.
The manufacturing industry is important    8    our society. It’s essential to our economy. An economy is a system for producing and distributing products and services2. Many people work in manufacturing. They help    9    products. And they buy products with the money then earn. The more products people buy, the more products are manufactured. And this allows more people to work.
Manufacturing is also important to the economy    10    another way. A piece of material is worth more after it’s been changed into a useful product. That’s added value. Value is increased by the manufacturing process.

1.   A. with       B. without     C. of            D. on              
2.   A. to imagine  B. imagined    C. be imagined    D. imaging          
3.   A. but        B. and        C. or             D. either
4.   A. putting     B. to put      C. put            D. puts
5.   A. making     B. made      C. to be made      D. to make
6.   A. manufacturer B. manufacture  C. manufactured  D. manufacturing
7.   A. of          B. over      C. on             D. for
8.   A. for         B. to        C. with            D. in
9.   A. producing    B. produce   C. product         D. produced
10.  A. on          B. for       C. with            D. in

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