I.Put the verb in brackets in the correct tense,active or passive.Then make questions about nylon.
NYLON - THE FIRST MAN - MADE FIBER
Nylon (1)......(invent) in the early 1930s by an American chemist,Julian Hill.Other scientist (2)......(work) with his invention and finally on 27 October 1938,Nylon (3)......(introduce) to the world.It was cheap and strong and immediately (4)......(become) successful,especially in making of ladies stocking.
During the Second World War,the best present for many women was the pair of nylon stockings,but more importantly,it (5)......(use) to make parachutes and tires.
Today,nylon stocking (6)......(find) in many things : carpe,ropes,seat bells,furniture,computers and even spare parts for the human body.It (7)......(play) an important part in our lives for over 50 years.Next year about 36 milion tons of it (8)......(manufacture).
*PHẦN DƯỚI ĐÂY LÀ ĐẶT CÂU HỎI CHO BÀI TRÊN*
1)..................................................? - In the early 1930s.
2)..................................................? - An American chemist,Julian Hill.
3)..................................................? - On 27 Otober 1938.
4)..................................................? - A pair of nylon stockings.
5)..................................................? - For over 50 years.
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