- Câu hỏi 394883:
Mô tả câu hỏi
Beach sand Wild pigs climate change dogs 90 Human activities 200 million
Sea Turtles Feel the Heat
A Sea Turtles are some of the oldest species in the world. The earliest sea turtles appeared over 200 million years ago. Today, however, sea turtle are in trouble. Their populations are getting smaller due to human activities and climate change.
B In Australia, conservationists are studying the effects of climate change on sea turtles. They believe global warming may affect sea turtles in several ways. First, warming temperatures lead to rising sea levels. As sea levels rise, beach areas become flooded. Sea turtles lay their eggs in the beach sand. Flooding can destroy sea turtle nests and the eggs inside them.
C Global warming also raises the temperature of sand around a sea turtle’s nest. The temperature of the nest affects the sex of the turtle’s eggs. Warmer temperatures (above 84 degrees Fahrenheit, or 29 degrees Celsius) produce mostly females. Cooler temperatures produce more males. So, as global temperature rise, more female babies will be born. Scientists predict that in 50 years almost all sea turtle babies in northern Australia will be female.
D To survive these changes, sea turtles will need to adapt. But adapting is difficult because the environmental changes are happening quickly. In addition, sea turtles are more at risk from other dangers, especially ones related to human activities. For example, some populations are getting smaller because of predators brought in by humans. As conservationist Mariana Fuentes says, ‘We can’t be sure if sea turtles will adapt on their own.’ They may need our help to survive.
E One of Fuentes’s projects is at Turtle Camp, a beach in northern Australia. Here, Fuentes helps to protect turtles that are laying eggs. She works with a team of rangers and researchers. Together, they prevent predators such as wild pigs and dogs from eating the turtles’ eggs. Without the rangers’ help, the turtles were losing up to 90% of their eggs. Now there are fewer predators, so the turtles can safely lay their eggs.
F In the next few decades, sea turtles will face some tough challenges. With human help, says Fuentes, they will have a better chance to adapt and survive.
Complete the notes with details from the reading.
- Sea turtles have been around for more than ......[200 million] years.
- The number of sea turtles is getting smaller due to ...... and ......[climate change].
- Sea turtles lay their eggs in nests in the .......
- Predators such as ......[Wild pigs] and ...... are dangerous for sea turtles.
- Before Fuentes and her helpers started Turtle Camp, sea turtles were losing almost ......[90] percent of their eggs.
- Câu hỏi 173892:
Mô tả câu hỏi
Choose the correct verb in the parentheses.
1. Both José and Martha ......[are] on vacation this week. (is, are)
2. Every student and parent ...... received a copy of the university’s honor code. (has, have)
3. What they need ......[are] step-by-step procedures. (is, are)
4. Either the original or a photocopy ...... acceptable as proof. (is, are)
5. Neither my paralegal nor my assistant ......[recalls] receiving a letter about
that case. (recalls, recall)
6. Neither the union leader nor the negotiators ...... clearly explained their concerns. (has, have)
7. Neither you nor she ......[is] aware of all the implications of the court’s decision. (is, are, am)
8. The model shown in the recent catalog and advertisements ...... not the model I want to buy. (is, are)
9. The members of the committee ......[have] met to discuss the morale problem. (has, have)
10. The committee ...... met to discuss the morale problem. (has, have)
- Câu hỏi 569678:
Mô tả câu hỏi
London New York Sydney
Listen to three people describing business etiquette in their cities – Sydney, London and New York – and answer the questions.
In which city
- ......[Sydney] do people like to be informal?
- ...... are people very competitive?
- ...... are things changing?
- Câu hỏi 892998:
Mô tả câu hỏi
Read the text and do the activities that follow.
Biogas: a Solution to Many Problems
In almost all developing countries, the lack of adequate supplies of cheap, convenient and reliable fuel is a major problem. Rural communities depend largely on kerosene, wood and dung for their cooking and lighting needs. But kerosene is now priced out of reach of many people and wood, except in heavily forested areas, is in short supply. The search for firewood occupies a large part of the working day and has resulted in widespread deforestation.
Dung is in constant supply wherever there are farm animals and, when dried, it is convenient to store and use. But burning dung destroys its value as fertilizer, thus depriving the soil of a much needed source of humus and nitrogen.
Rural areas of developing countries are also plagues by a lack of adequate sanitation. Improper waste disposal spreads disease, contaminates water sources and provides breeding ground for disease-carrying insects.
The problem of improving environmental hygiene, conserving resources and finding alternative sources of fuel may be unrelated. Their solutions, however, are not, as many countries experimenting with biogas technology are discovering. Biogas, a mixture of methane and carbon dioxide, is produced by the fermentation of organic matter. The process of anaerobic fermentation is a natural one, occurring whenever living matter decomposes. By containing the matter – and the process – in a digester or biogas plant, the combustible gas can be trapped and used as fuel for household lighting and cooking. The digested slurry that remains can be used on the land as a soil conditioner and fertilizer.
Biogas plants have attracted much interest in recent years and they are in use in several Asian countries: 38,000 are reported in rural area of India, 27,000 in Korea and more than 80,000 in China. In most countries, the value of the gas has been the prime factor leading to their adoption: 70 percent of India’s plants, for instance, were built during the energy and fertilizer crisis of 1975-76 – although their use in that country dates back to 1951. similarly in Thailand and Korea, biogas is being investigated as an alternative to costly charcoal and to save compost materials form being burned.
In Japan and China, reducing pollution from animal wastes has been an important factor. Privies, hen houses and pigpens are built in proximity to the fermentation chamber in China. Examinations of the digested slurry have shown that the total number of parasite eggs was reduced by 93.6 per cent, hookworms by 99 per cent and no schistosome flukes were found.
The greatest benefits from biogas systems, however, are probably to be derived from the manorial value of the slurry, although it is not widely used outside of India and China. Vegetable farmers near Calcutta found that the digested slurry produced bigger and better tasting peas than did other fertilizers and the weight of root vegetables increased by nearly 300 per cent.
According to the reading passage, are the statements T (True) or F (False)?
1. ......[T] Biogas is the answer for the lack of cheap, convenient and reliable fuel.
2. ......[F] The production of biogas by fermentation of animals and vegetables wastes is a technology used in developed countries.
3. ......[F] Family –sized biogas plants first came into widespread used in India in the 1940s.
4. ......[F] There are less and less biogas plants in the world nowadays.
5. ......[T] Biogas is for domestic use.
6. ......[T] The system is economically sound, in addition to other benefits such as a cleaner, healthier environment.
- Câu hỏi 893002:
Mô tả câu hỏi
dogs 200 million 90 Beach sand Wild pigs climate change Human activities
Sea Turtles Feel the Heat
A Sea Turtles are some of the oldest species in the world. The earliest sea turtles appeared over 200 million years ago. Today, however, sea turtle are in trouble. Their populations are getting smaller due to human activities and climate change.
B In Australia, conservationists are studying the effects of climate change on sea turtles. They believe global warming may affect sea turtles in several ways. First, warming temperatures lead to rising sea levels. As sea levels rise, beach areas become flooded. Sea turtles lay their eggs in the beach sand. Flooding can destroy sea turtle nests and the eggs inside them.
C Global warming also raises the temperature of sand around a sea turtle’s nest. The temperature of the nest affects the sex of the turtle’s eggs. Warmer temperatures (above 84 degrees Fahrenheit, or 29 degrees Celsius) produce mostly females. Cooler temperatures produce more males. So, as global temperature rise, more female babies will be born. Scientists predict that in 50 years almost all sea turtle babies in northern Australia will be female.
D To survive these changes, sea turtles will need to adapt. But adapting is difficult because the environmental changes are happening quickly. In addition, sea turtles are more at risk from other dangers, especially ones related to human activities. For example, some populations are getting smaller because of predators brought in by humans. As conservationist Mariana Fuentes says, ‘We can’t be sure if sea turtles will adapt on their own.’ They may need our help to survive.
E One of Fuentes’s projects is at Turtle Camp, a beach in northern Australia. Here, Fuentes helps to protect turtles that are laying eggs. She works with a team of rangers and researchers. Together, they prevent predators such as wild pigs and dogs from eating the turtles’ eggs. Without the rangers’ help, the turtles were losing up to 90% of their eggs. Now there are fewer predators, so the turtles can safely lay their eggs.
F In the next few decades, sea turtles will face some tough challenges. With human help, says Fuentes, they will have a better chance to adapt and survive.
Complete the notes with details from the reading.
- Sea turtles have been around for more than ......[200 million] years.
- The number of sea turtles is getting smaller due to ......[Human activities] and ......[climate change].
- Sea turtles lay their eggs in nests in the ......[Beach sand].
- Predators such as ......[Wild pigs] and ......[dogs] are dangerous for sea turtles.
- Before Fuentes and her helpers started Turtle Camp, sea turtles were losing almost ......[90] percent of their eggs.
- Câu hỏi 360887:
Circle the answer that matches the meaning of each bold word or phrase.
My uncle has a farm.
A. a place for skiing
B. an area of land used for growing crops, breeding and keeping cow, sheep, pigs…
- Câu hỏi 107397:
Circle the answer that matches the meaning of each bold word or phrase.
Adolescence is a time of independence, so a teen will appreciate the opportunity to make a space that is truly her own.
A. in the stage from 6-10 years old
B. in the stage between childhood and adulthood.
- Câu hỏi 107406:
Mô tả câu hỏi
in favour of participate in contribute to in common succeed in comment on in response to increase in
Complete each sentence below with the correct collocation.
1. A cold and the flu have some things ....... For example, they can both be passed from one person to another.
2. My mother told me she liked my new dress, but she didn’t ...... my new haircut. Maybe she doesn’t like it.
3. The scientists need 50 people to ...... a study for a new flu vaccine. They will pay each $500.
4. There’s been a
...... cases of the flu this winter. It’s much worse than last year.
5. Eating lots of green vegetables can ...... your overall health.
6. Sofia nodded her head ...... my question.
7. If you want to ...... becoming an Olympic athlete, you have to train very hard.
8. Keiko was not ...... of the new proposal, so she voted against it.
- Câu hỏi 432118:
My brother loves to fix cars.
A. He has a car that he likes to repair.
B. He’s good at repairing mechanical things.
- Câu hỏi 432122:
Mô tả câu hỏi
dung biogas fuel nitrogen plant deforestation fertilizer kerosene fermentation contaminate
Match the terms on the left with their meanings on the right.
| Meaning |
Terms |
| 1. a substance that is used to provide heat or power, usually by being burned |
...... |
| 2. a clear oil that is burnt to provide heat or light |
...... |
| 3. the cutting down of trees in a large area, or the destruction of forest by people |
...... |
| 4. a natural or chemical substance that is spread on the land to make plants grow well. |
...... |
| 5. It is a chemical element: symbol N |
...... |
| 6. to make something less pure or make it poisonous |
...... |
| 7. gaseous fuel, especially methane, produced by the fermentation of organic matter |
...... |
| 8. the sugar in fruits changes to alcohol |
...... |
| 9. solid waste from animals, especially cattle and horses |
...... |
| 10. a factory or building where an industrial process happens |
...... |
