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Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the co answer to each of the questions from 44 to 50.
Experts in climatology and other scientists are becoming extremely concerned about the changes to our climate which are taking place. Admittedly, climate changes have occurred on our planet before. For example, there have been several ice ages or glacial periods.
These climatic changes, however, were different from the modern ones in that they occurred gradually and, as far as we know, naturally. The changes currently being monitored are said to be the result not of natural causes, but of human activity. Furthermore, the rate of change is becoming alarmingly rapid.
The major problem is that the planet appears to be warming up. According to some experts, this warming process, known as global warming, is occurring at a rate unprecedented in the last 10,000 years. The implications for the planet are very serious. Rising global temperatures could give rise to such ecological disasters as extremely high increases in the incidence of flooding and of droughts. These in turn could have a harmful effect on agriculture.
It is thought that this unusual warming of the Earth has been caused by so-called greenhouse gases, such as carbon dioxide, being emitted into the atmosphere by car engines and modern industrial processes, for example. Such gases not only add to the pollution of the atmosphere, but also create a greenhouse effect, by which the heat of the sun is trapped. This leads to the warming up of the planet.
Politicians are also concerned about climate change and there are now regular summits on the subject, attended by representatives from around 180 of the world’s industrialized countries. Of these summits, the most important took place in Kyoto in Japan in 1997. There it was agreed that the most industrialized countries would try to reduce the volume of greenhouse gas emissions and were given targets for this reduction of emissions. It was also suggested that more forests should be planted to create so-called sinks to absorb greenhouse gases. At least part of the problem of rapid climate change has been caused by too drastic deforestation.
According to the passage, in what way did the climate changes in the ice ages differ from the modern ones?
A. They were fully monitored by humans.
B. They occurred naturally over a long period of time.
C. They were wholly the result of human activity.
D. They were partly intended.
Experts in climatology and other scientists are becoming extremely concerned about the changes to our climate which are taking place. Admittedly, climate changes have occurred on our planet before. For example, there have been several ice ages or glacial periods.
These climatic changes, however, were different from the modern ones in that they occurred gradually and, as far as we know, naturally. The changes currently being monitored are said to be the result not of natural causes, but of human activity. Furthermore, the rate of change is becoming alarmingly rapid.
The major problem is that the planet appears to be warming up. According to some experts, this warming process, known as global warming, is occurring at a rate unprecedented in the last 10,000 years. The implications for the planet are very serious. Rising global temperatures could give rise to such ecological disasters as extremely high increases in the incidence of flooding and of droughts. These in turn could have a harmful effect on agriculture.
It is thought that this unusual warming of the Earth has been caused by so-called greenhouse gases, such as carbon dioxide, being emitted into the atmosphere by car engines and modern industrial processes, for example. Such gases not only add to the pollution of the atmosphere, but also create a greenhouse effect, by which the heat of the sun is trapped. This leads to the warming up of the planet.
Politicians are also concerned about climate change and there are now regular summits on the subject, attended by representatives from around 180 of the world’s industrialized countries. Of these summits, the most important took place in Kyoto in Japan in 1997. There it was agreed that the most industrialized countries would try to reduce the volume of greenhouse gas emissions and were given targets for this reduction of emissions. It was also suggested that more forests should be planted to create so-called sinks to absorb greenhouse gases. At least part of the problem of rapid climate change has been caused by too drastic deforestation.
According to the passage, in what way did the climate changes in the ice ages differ from the modern ones?
A. They were fully monitored by humans.
B. They occurred naturally over a long period of time.
C. They were wholly the result of human activity.
D. They were partly intended.
Giải thích:
Theo đoạn văn, khí hậu thay đổi trong kỷ băng hà khác với thời hiện đại như thế nào?
A. Chúng hoàn toàn được con người kiểm soát.
B. Chúng xảy ra một cách tự nhiên trong một thời gian dài.
C. Chúng hoàn toàn là kết quả hoạt động của con người.
D. Một phần là do dụng ý.
Thông tin:
+ These climatic changes, however, were different from the modern ones in that they occurred gradually and, as far as we know, naturally.
(Tuy nhiên, những thay đổi khí hậu này khác với những thay đổi hiện đại ở chỗ chúng xảy ra dần dần và theo như chúng tôi biết là một cách tự nhiên.)
Theo đoạn văn, khí hậu thay đổi trong kỷ băng hà khác với thời hiện đại như thế nào?
A. Chúng hoàn toàn được con người kiểm soát.
B. Chúng xảy ra một cách tự nhiên trong một thời gian dài.
C. Chúng hoàn toàn là kết quả hoạt động của con người.
D. Một phần là do dụng ý.
Thông tin:
+ These climatic changes, however, were different from the modern ones in that they occurred gradually and, as far as we know, naturally.
(Tuy nhiên, những thay đổi khí hậu này khác với những thay đổi hiện đại ở chỗ chúng xảy ra dần dần và theo như chúng tôi biết là một cách tự nhiên.)
Đáp án B.