answers to exercises 18 & 19 & 20 p. 177

18
Choose the best alternative.
1. Read the following sentences and you might learn a few surprising health facts.
2. Sitting for more than three hours a day can cut a few years off a person’s life.
3. People who complain might live a little longer because they release tension by complaining.
4. On average, right-handed people live a few years more than left-handed people.
5. A little coffee might boost your energy, but did you know that there are 1,000 chemicals in a
cup?
6. According to US standards, a cup of orange juice may contain ten fruit fly eggs and a few
maggots.
7. Few people know that brushing your teeth too soon after having something acidic can soften
tooth enamel.
8. You won’t lose weight by doing fewer repetitions with heavier dumbbells.
9. If you want to feel less bloated, remember to drink plenty of water.
10. Products with less fat don’t necessarily contain fewer calories.
11. On a hot day it is better to drink something a little hot. It will increase your sweat production
and make you feel a little cooler.
12. Spending some time alone is equally important to our well-being as spending time with
others.
19
Work with a partner and say the sentences in English.
1. I was a little / a bit nervous before the biology exam.
2. I had (only a) little time / only had a little time to revise.
3. I had even less time to sleep the previous night.
4. The teacher had given a few / some interesting articles about/on dolphins.
5. Few students have seen dolphins.
6. Even fewer have seen them outside captivity.
7. Unfortunately, they have too little space to swim in captivity.
8. I have visited a few / some zoos.
9. This year the local zoo has had the fewest visitors for years.
10. It also means that there is the least money available.
11. Little can be done to improve the situation. / Not much can be done… / There is little that can
be done…
12. The course gave me some / a few ideas on how to help animals.
20
Choose the best alternative.
1. The internet has brought us many opportunities that didn’t exist fifty years ago.
2. We have easy access to a lot of information in all areas of life.
3. Never before has it been so easy to communicate with so many people from around the world.
4. It has also changed the way we work a lot.
5. Just think about how much time people save with the option to telework.
6. We don’t even need that many office buildings anymore.
7. Perhaps within thirty years most people will work outside the traditional office.
8. Not everyone will like that idea very much.
9. They might not have much experience in working from home.
10. Do you think we will lose many more jobs to robots in the future?
11. Perhaps. Doesn’t it cost much more money to hire people than to build robots?