tranthuylinh

1.     Complete the summary with the words from the box.

expensive  petroleum  unfortunately  products  Parkesine  environment  Celluloid  artificial  substitute  invented

Plastic is used to make many (1) ………………… today. The first man-made plastic, called (2) …………………, was created from plant material in 1862. However, it was too (3) ………………… to make. In 1866, John Wesley Hyatt invented (4) ………………… He was trying to find a(n) (5) ………………… for ivory, which was used to make billiard balls. Bakelite was (6) ………………… in 1909. It was the first plastic to be made entirely from (7) ………………… materials. Today, most plastic is made from (8) ………………… (9) …………………, this is bad for the (10) ………………… Therefore, people are still looking for alternatives.

Khinh Yên
11 tháng 7 2021 lúc 16:04

Plastic is used to make many (1) …………products  ……… today. The first man-made plastic, called (2) ……… Parkesine…………, was created from plant material in 1862. However, it was too (3) ……… expensive………… to make. In 1866, John Wesley Hyatt invented (4) …………Celluloid  ……… He was trying to find a(n) (5) …………substitute……… for ivory, which was used to make billiard balls. Bakelite was (6) ……invented…………… in 1909. It was the first plastic to be made entirely from (7) ……artificial  ………… materials. Today, most plastic is made from (8) …………petroleum  ……… (9) ………unfortunately  …………, this is bad for the (10) ………… environment  ……… Therefore, people are still looking for alternatives.

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Đỗ Thanh Hải
11 tháng 7 2021 lúc 16:05

1 products

2 Parkesine

3 expensive

4 Celluloid

5 substitute

6 invented

7 artificial

8 petroleum 

9 unfortunately 

10 environment

 

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