5 Practice C
In the following paragraph, insert suitable reference words in the gaps.
2.3:Cohesion 103Gillette’s blades
Thin, disposable razor blades were marketed in America by King Gillette at the
beginning of the twentieth century. (a) _______________ had realised that as all men
had to shave daily, there was a huge market for a product that would make
(b) _______________ easier. (c) _______________ was a simple idea, but at
first (d) _______________ found it very hard to sell (e) _______________.
(f) _______________ was because nobody had marketed a throw-away product
before. However, (g) _______________ use of advertising to stimulate demand
rapidly increased sales and (h) _______________ became very popular. Within a few
years (i) _______________ was a millionaire.6 Practice D
Use the following information to write a paragraph about nylon, paying careful
attention to the use of reference words.
Nylon
Inventor: Wallace Carothers
Company: DuPont Corporation (USA)
Carothers’ position: Director of research centre
Carothers’ background: Chemistry student, specialising in polymers (molecules
composed of long chains of atoms)
Properties: Strong but fine synthetic fibre
Patented: 1935
Mass produced: 1939
Applications: Stockings, toothbrushes, parachutes, fishing lines, surgical thread