Ants Are First Animal Known To Navigate By Stereo Smell
| Desert ants in Tunisia smell in stereo, sensing odours from two different (0) …at the same time. By sniffing the air with each antenna, the ants form a (1)… 'odour map' of their (2)…. They then use this map to find their way home. Pigeons, rats and even people may also smell in stereo, but ants are the first animal known to use it for (3) ….(4) … investigated how the desert ant Cataglyphis fortis navigates around its surroundings. Each day, individual ants leave the nest (5) … and travel up to 100m in search of food.
When they find some, they return straight home, somehow finding their tiny nest entrance again within a bleak, (6) … featureless desert landscape. Scientists knew the ant uses a (7) … array of (8) … cues to find much of its way home. But it has been found that the insect does much more than that. First, they placed four odours marked A, B, C and D around a barely visible nest entrance. They then tested the ants by (9) … and placing them in a remote location, without a nest entrance but with the same four odours. The ants immediately headed to exactly where their nest should have been, (10) … that they use the odours as olfactory landmarks.
| 0 - DIRECT
1 - MENTALITY,
2 - SURROUND
3 - NAVIGATE,
4 - SCIENCE
5 - ENTER
6 - RELATIVE
7 - SOPHISTICATE, 8 - VISION
9 - REMOVAL
10 - CONFIRM
|
Exercise 3. For questions 1-10, read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0).
Example 0 anxiety
As Elders Rock, Emotional Burden Of Dementia Eases
| Nursing home residents who have dementia can literally rock away their (0) … and depression, nurse researchers have found, simply by rocking back and forth in a rocking chair for about an hour or two a day.(1) … who rocked the most in a research study even requested less medications to (2) … their daily aches and pains, and their balance improved. It turns out that the (3) … really does bring some peace of mind to many folks. It's been very well documented with infants that a gentle repetitive motion has a (4) … effect. We've shown that the same is (5) … in an older population that is (6) … distressed. Scientists studied 25 nursing home (7) …diagnosed as having dementia, either due to Alzheimer's disease or other causes. Nurses (8) … monitored patient behavior for the six weeks residents rocked and compared it to their (9) … during six weeks when the rocking mechanism on the chairs was (10) …. During the weeks they rocked, most residents' psychological and emotional well-being improved.
| 0 - ANXIOUS
1 - PATIENCE
2 - EASY
3 - ACTIVE
4 - SOOTHE
5 - TRUTH
6 - EMOTION
7 - RESIDE
8 - CLOSE
9 - BEHAVE
10 - DISABILITY
|
Exercise 4. For questions 1-10, read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0).
Example 0 Egiptians
Beyond the Brain
| The ancient (0) … thought so little of brain matter they made a practice of scooping it out through the nose of a (1) … leader before packing the skull with cloth before (2) …. They believed (3) …resided in the heart, a view shared by Aristotle and a legacy of medieval thinkers. Even when consensus for the locus of thought moved northward into the head, it was not the brain that was (4) … to be the sine qua non, but the empty spaces within it, called ventricles, where ephemeral spirits swirled about. French philosopher René Descartes codified the (5)… of conscious thought from the (6) … flesh of the brain. Cartesian " dualism" exerted a (7) … influence over Western science for centuries, and while (8) … by most neuroscientists today, still (9) … the popular belief in mind as a magical, transcendent quality. Thomas Willis - often referred to as the father of neurology – was the first to suggest that not only was the brain itself the locus of the mind, but that (10) … parts of the brain give rise to specific cognitive functions.
| 0 - EGYPT
1 - DIE
2 - BURY,
3 - CONSCIOUS
4 - BELIEF
5 - SEPARATE,
6 - PHYSICS,
7 - POWER,
8 - DISMISSAL,
9 - FOOD
10 - DIFFERENCE
|
Exercise 5. For questions 1-10, read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0).
Example 0 selection
In Sheep, an Upside To Immune Weakness
| A weak immune system makes an animal vulnerable to disease and parasites, but strangely, natural (0) …. does not always weed out (1) … that have what appear to be severe disadvantages, according to a new study. That may be because the (2) … confer some advantages. The study it is also associated with (3) …reproductive success. The last (4) … of St. Kilda moved away about 80 years ago because of the harsh winters and difficult living conditions. But they left behind their sheep, unmanaged and (5) … freely. No longer selected by (6) …, the sheep are now subject to natural selection. Scientists sampled sheep feces to count parasites and drew blood from the sheep to measure antibody (7) ….They found that the average life span of the 410 ewes surveyed was 6 years. But there was a wide (8) …, with some living 15 years, and many others dying at age 3 or 4. The short-lived ewes had lower concentrations of antibodies than the longer-lived ones, which suggested why their lives were so short. But why was natural selection not (9) … them out? The answer, she said, was that the short-lived ewes were more (10) … to produce lambs. Those that died young reproduced almost every year, often having twins. Sheep that lived longer did not reproduce every year.
| 0 - SELECT,
1 - CREATE
2 - WEAK
3 - REDUCE,
4 - HABIT
5 – ROAM,
6 - BREED
7 -PRODUCT
8 - VARY
9 - WEED
10 - LIKE
|
Exercise 6. For questions 1-10, read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0).
Example 0 essential
ARTHRITIS
| Arthritis is a general term for aches and pains in the body's joints. Most types of arthritis involve the deterioration of cartilage, which is an (0) ….material covering the ends of the bones in the joint. When the (1) …. Cartilage wears out, it becomes rough and this causes pain when the joint moves. This condition is more common among the elderly, but some people can be (2) … from (3)..…. Apart from (4) … painkillers, little or no treatment is available. However, (5) …scientists have designed(6) …joints that can replace the (7) …, worn-out ones. These new joints could prove very (8)… to arthritis sufferers. Although some believe that joint replacement may be (9) …, numerous patients are (10) … waiting for this medical breakthrough.
| 0- ESSENCE
1 - HEALTH
2 - SUFFER,
3 – CHILD,
4 - TRADITION
5 - AMBITION
6 – ARTIFICE,
7 - PAIN,
8 - BENEFIT
9 – COST,
10 -ANXIOUS
|
Exercise 7. For questions 1-10, read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0).
Example 0 officially
| The longest-living person (0) … recorded lived to be 122 years old and 164 days old. In general, the number of people who live to be over one hundred is increasing, especially among women, yet there isn't a single (1) …who can fully explain this phenomenon. Some of them claim that it's purely a (2) …fact. However, in the developing countries, where (3) … progress is slower, life expectancy is much less. According to (4) …records, life expectancy for these people is about forty years. (5) … reasons are mainly responsible for this and as a result a high (6) … of the population suffers from malnutrition. One must also (7)… the fact that sanitary conditions in developing countries are rather (8) …. To (9) …, proper housing and sanitation, adequate healthcare and a(n) (10) … diet play an important role in a person's life expectancy.
| 0 - OFFICIAL
1 - SCIENCE
2 - BIOLOGY
3 - SCIENCE
4 - MEDICINE
5 – ECONOMICS
6 - PER CENT
7 - EMPHASIS
8 - HYGENE,
9 - SUMMARY
10 - NUTRITION
|
Exercise 8. For questions 1-8, complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given. Here is an example (0).
Example:
(0) There won't be any oil left soon. RUN
We will.. run out of. .. oil soon.
1 I'm still optimistic about climate change although the predictions are depressing. DESPITE
I'm still optimistic about climate change predictions ….
2 Endangered species will become extinct if we don't do more to protect them. UNLESS
Endangered species will become extinct................... to protect them.
3 Rising sea levels are a real threat to many coastal regions. RISK
Many coastal regions...................... rising sea levels.
4 Governments have done too little to protect the environment. ENOUGH
Governments...................... to protect the environment.
5 I always travel to work by train so that I don't waste time in traffic jams. AVOID
I always travel to work by train.................... traffic jams.
6 It hasn't rained for six months. SINCE
It....................... it rained.
7 The lake always used to freeze over in the winter. WOULD
The lake....................... in the winter.
8 He left before the thunderstorm started. ALREADY
He....................... the thunderstorm started.
Exercise 9. For questions 1-8, complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given. Here is an example (0).
Example:
0 Children's diets are not as healthy as they used to be. MORE
Children's diets are... more unhealthy than … they used to be.
1 The doctor said I should give up smoking. ADVISED
The doctor....................................................... smoking.
2 You won't lose weight unless you stop eating junk food. IF
You won't lose weight............................................ eating junk food.
3 Parents who have overweight children, should be given special help. WHOSE
Parents........................................................ should be given special help.
4 'Why don't we go for a jog? ' Mike said. SUGGESTED
Mike........................................................ for a jog.
5 I expect people ate more vegetables in the past. MUST
People........................................................ in the past.
6 I didn't start playing tennis until I was fifteen. WHEN
I started........................................................ fifteen.
7 Til give you a check-up next week, ' said Amy's doctor. TOLD
The doctor....................................................... give her a check-up the following week.
8 Ella was so tired she couldn't study properly. TOO
Ella........................................................ study properly.
Exercise 10. For questions 1-8, complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given. Here is an example (0).
0 The washing machine is not working properly.
WRONG There is something wrong with the washing machine.
1 Unfortunately, most people didn't have a good time at the party. HARDLY
Unfortunately, ____________________________________.
2 I didn't like a single song from their new CD. NONE
I from their new CD.
3I'm pretty sure that Mary doesn't like jazz music and Susan doesn't either. DISLIKE
I'm pretty sure that_______________________________________.
4 There isn't enough petrol on the market. LACK
There is________________________.
5 We realised that both cars were expensive. CAR
We realised that___________________.
6 There aren't a lot of things to remember from that awful trip. LITTLE
There________________________________________ from that awful trip.
7 I'm afraid I can't study both Maths and Physics tonight - just one of the two. OR
I'm afraid I can___________________________________________.
8 They were looking for their lost dog all week. THE
They spent_________________________ looking for the lost dog.
9 The concert was sold out two weeks in advance. ANY
There________________________________ for the concert two weeks in advance.
Exercise 11. For questions 1-12, read the text below and think of the word which best fits each gap. Use only one word in each gap. There is an example at the beginning (0).
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