Câu hỏi và đáp án bài nghe Test 3 section 3 - IELTS Cambridge 13 - Project on using natural dyes to colour fabrics
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Questions 21-24
Choose the correct letter, A, B or C.
Project on using natural dyes to colour fabrics
- What first inspired Jim to choose this project?
A textiles displayed in an exhibition
B a book about a botanic garden
C carpets he saw on holiday
- Jim eventually decided to do a practical investigation which involved
A using a range of dyes with different fibres.
B applying different dyes to one type of fibre.
C testing one dye and a range of fibres.
- When doing his experiments, Jim was surprised by
A how much natural material was needed to make the dye.
B the fact that dyes were widely available on the internet.
C the time that he had to leave the fabric in the dye.
- What problem did Jim have with using tartrazine as a fabric dye?
A It caused a slight allergic reaction.
B It was not a permanent dye on cotton.
C It was ineffective when used on nylon.
Questions 25-30
What problem is identified with each of the following natural dyes?
Choose SIX answers from the box and write the correct letter, A-H, next to Questions 25-30.
Problems
A It is expensive.
B The colour is too strong.
C The colour is not long-lasting.
D It is very poisonous.
E It can damage the fabric.
F The colour may be unexpected.
G It is unsuitable for some fabrics.
H It is not generally available.
Natural dyes
-
turmeric ______________
-
beetroot ______________
-
Tyrian purple ______________
-
logwood ______________
-
cochineal ______________
-
metal oxide ______________
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Section 3, Questions 21-30
- C
- A
- A
- B
- C
- F
- H
- D
- A
- E