Suggested answers to Unit 25 (Not alone)

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Suggested answers to Unit 25 (Not alone)

Post by spring_phan on Mon May 04, 2009 12:43 pm

Unit 25: Not alone
Level One
1. Any five of these parasites:
bacteria
tooth amoeba
scabies mite
tapeworm
mosquito
flea
follicle mite
body louse
guinea worm (fiery serpent)
head louse
bedbug
2. He is saying that we are infested with parasites for our entire life – from birth to death, with no respite.
3. There are typically less than 100 in each square centimetre of skin.
4. The follicle mite is ¼ or 0.25 millimetre long.
5. Its main diet comprises live skin cells of the human face.
6. The fiery serpent is found in Asia, the Middle East and Africa.
7. Unlike the shoulder blades, the armpits are crowded with millions of the minute parasites.
8. Sequence of events of scabies mite’s life: [4], [2], [1], [3].
9.
a) bedbugs
b) tooth amoeba
c) scabies mite
d) fiery serpent
e) head lice
10. a) F b) T c) F d) F e) T
Level Two
11. SA What the words mean:
a) any form of animal or plant life
b) so very small, it needs a microscope to be seen
c) an animal or plant that lives on or in a member of another species and feeds on it.
12. SA What the writer should agree with and supporting evidence:
a) [Agree] The writer would agree as he mentions the tooth amoeba.
b) [Agree] The writer would agree because of the potential devastation to human populations it can cause.
c) [Disagree] It is unlikely that the writer would agree because he mentions that diseases have decreased in number owing to increased levels of personal hygiene.
13. SA Main idea in the third paragraph:
However well we wash, we will never be able to remove all the organisms that live on our bodies.
14. Subjective
15. SA Points about human parasites:
Millions of them on and in the body
Some cause disease
Different parasites in different parts of the world
Some are harmless
Some are beneficial
Different parasites live on different parts of the body
Some are microscopic.
Level Three
16. SA The writer wanted to draw the reader’s attention to the article. This unusual approach is effective because it encourages the reader to read the rest of the article.
17. SA Some people probably feel uncomfortable when talking about insects because they may have had an unpleasant experience with these creatures. For example, they may have been bitten or stung or surprised by an insect or spider at some time in their life. Also, the idea of ‘visible’ creatures living and breeding in or on one’s body and feeding on it can really give even the most tough-minded person the ‘creeps’!
18. SA Scenes in a TV documentary on human parasites:
Scene 4 – microscopic image of young guinea worms in human body
Scene 5 – return to interview with doctor who explains the life cycle of the worm
Scene 6 – return to victim interviewee who explains how she copes with the worm
Scene 7 – close-up of guinea worm – doctor still describing impact of worm
Scene 8 – health expert gives views about control of worm
Scene 9 – picture of village water supply and voice of health expert
Scene 10 – picture of children who have worm – voice of health expert calling for international help to fight guinea worm problem
19. Subjective

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Re: Suggested answers to Unit 25 (Not alone)

Post by [kei] on Mon May 04, 2009 2:25 pm

Good work ^^

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Re: Suggested answers to Unit 25 (Not alone)

Post by lotus98 on Mon May 04, 2009 8:16 pm

Thanks alot , Miss Spring_Phan

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Re: Suggested answers to Unit 25 (Not alone)

Post by spring_phan on Mon May 04, 2009 9:20 pm

I'm willing to do that.
Take care,
Sweet dreams

Like a Star @ heaven

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Re: Suggested answers to Unit 25 (Not alone)

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