Page 85 - Full Solutions 2nd Advanced Student Book_Neat

ffi Read the newspaper cutting and answer the Technology devetoped to keep cooking oil fresh coutd
questions. hetp the wortd's poorest peopte by
a increasing their consumption of nutrients.
1 What are nano-partictes and what potentiat benefits do
b preventing fish from going off too quickty.
they have in relation to food?
c alerting them when water supplies become
2 Why are some peopte concerned about nano-partictes
contam inated.
in food?
d enabting them to purify water more easily.
104 products on shelves already At its most advanced, nano-technology might enabte
i consumers to
contain toxic nano-particles, a experience previousty undreamed-of combinations of
tastes.
\ryarns Friends of the Earth b make any food they can think of without the need for
conventionaI ingredients.
Potentially toxic chemicals are being incorporated into lood.
packaging, health supplements and other products by stealth, it c have a much higher level of protein in their diet.
d avoid foods they distike altogether.
is claimed. Manufacturers boast that nano-particles, which are
thousands oltimes thinner than a human hair. can deliver drugs ln the opinion of the scientist David Bennett, how will the
or vitamins more ellectively. kill harmlul bugs in lood or creare public react to nano-food?
sell-cleaning windows. Bur scientisls. consumer groups and green a They'[[ give it a cautious welcome.
campaigners fear the technology is being introduced into the diet, b They'tt be too concerned about the dangers to welcome it.
body and environment without proper safety checks. c They'tt eventuatly be won over by atI the potential
benefits.
d They'tt want to decide whether the potentiat benefits
2 Lool< quickly through the text on page 85. Match paragraphs
outweigh the dangers.
2-6 with five of the headings below.
7 How is the size of nano-particles relevant to their
Create your own flavours Healthier and more exciting food potential dangers?
Products available now Public protests Tiny toxins a Most substances are toxic at nano-scales.
Unl<nown dangers b They are too sma[[ for scientists to track their position.
Paragraphl lntroduction c Once they're inside the body, they behave Iil<e viruses.
Paragraph 2 _ d Their microscopic size aItows them to pass through the
Paragraph 3 _ body's usuaI defences.
Paragraph 4 _
Paragraph 5 _ Find these words in the text.
Paragraph 6 _ Paragraph 1 two sweet dishes and two savoury dishes
Paragraph 2 four ad.iectives that describe food or drink
3 Read the text and choose the best answers.
Paragraph 3 two things that can spoil food and make it
1 What does Witty Wonka's magical chewing gum have in in edible
common with types of nano-food in development? Paragraph 4 three of the etements that most food contains
a They both contain an exciting mix of tastes. (such as carbohydrate...)
b Both are appealing to young chitdren. Paragraph 5 fourwords which mean danger
c They both attow the consumer to choose the flavours. Paragraph 6 four organs ofthe human body
d They're both made in a factory.
Worl< in pairs. Write as many words as you can under these
2 Which elements of 'programmable food, woutd
headings in three minutes. Which pair has the most words?
consumers be abte to determine by zapping it?
a colour, consistency and nutritionalvatue 1 sweet dishes 3 adiectives that describe food or drink
2 savoury dishes 4 elements that food contains
b temperature, colour and taste
c taste, nutritionaI value and colour ffi Worl< in pairs. Discuss the questions.
d texture, taste and colour
1 Woutd you be witting to eat food which contained nano-
3 Untike ordinary packaging, 'smart' packaging
particles? Why?/Why not?
a keeps food fresh permanently.
2 Do you thinl< research into nano-food shoutd be banned?
b prevents any oxygen from reaching the food.
Why?/Why not?
c has yet to arrive on supermarket shelves.
d can monitor the condition of the food it contains. D VOCneULARY BUILDER 8.2: TALKING ABOUT FOOD:
WORKBOOK PAGE 111 G
84 Unit 8 ," Tastes