Read the text and look carefully at each line. Some of the lines are correct, and some have a word which should NOT be there. If a line is correct, put a tick (√) by the number on the answer sheet. If a line has a word that should NOT be there, write the word on the answer sheet

Here is the evaluation of each line from the provided text:

1. Smell is probably the most undervalued of the five senses, the others of which are as taste, touch, sight and hearing.
**Word to remove:** as
(Correction: "the others of which are taste, touch, sight and hearing.")

2. The perfume of roses or of a freshly-baked bread gives pleasure, but odours can also be important in that checking the quality of products coming off industrial production lines or in detecting some disease.
**Tick (√)**

3. An electronic nose that has been developed has twelve sensors to detect smells.
**Tick (√)**

4. They are sensitive enough to pick them up the difference between the smell of two types of white wine.
**Word to remove:** them
(Correction: "to pick up the difference between the smell of...")

5. The electronic nose is especially useful as well it can pick out “bad” batches of, say. Beer or perfume.
**Word to remove:** as
(Correction: "is especially useful; it can pick out...")

6. Research it suggests that people who suffer from certain illnesses, such as diabetes or lung cancer, give off characteristic smells.
**Word to remove:** it
(Correction: "Research suggests that...")

7. Doctors will hope that, in future, electronic noses might help early diagnosis.
**Tick (√)**

Here’s the summary for the answer sheet:

1. 1. **as**
2. 4. **them**
3. 5. **as**
4. 6. **it**

For each correct line, put a tick (√). For the incorrect ones, write the word that should not be there.