Global Challenges：练习题

In the fishbone diagram discussing environmental pollution, which specific factor is listed as the cause of oil spills?

Which of the following factors is NOT mentioned in the sample text as a contributor to environmental pollution?

In the fishbone diagram illustrating the cause-and-effect relationship of global challenges, which cohesive device is precisely used to link the factor "frequent use of air-conditioners" to its effect?

In the text regarding environmental issues, why are exhaust fumes considered harmful to the environment?

When deconstructing a report on Global Challenges using the fishbone diagram (Figure 1), a student identifies the cause as "increasing use of paper products". Which cohesive device is used in the sample text to link this cause to its effect, deforestation?

In your own words, define the term global warming and suggest one simple action a student can take to reduce their carbon footprint.

Explain how plastic waste in the ocean poses a direct threat to marine life, and identify one sustainable alternative to using single-use plastics.

Evaluate why the digital divide—the gap between those with and without reliable internet access—is considered a major global challenge in modern education.

Global Challenges
Consider the environmental problem of Air Pollution mentioned in the syllabus.

(a) Identify one specific cause of air pollution related to urban transportation.
(b) Using the rhetorical function of 'explaining', write a complete sentence to describe how this cause leads to a negative health effect for residents. You must use the cohesive device 'as a result' in your sentence.

Global Challenges
The following data shows the percentage of forest cover lost in a specific region over four years:
Year 1: 5%
Year 2: 8%
Year 3: 12%
Year 4: 20%

(a) Using the provided data, explain the trend of deforestation over time.
(b) Use the discourse marker 'as a result' to describe one environmental consequence of this trend.
(c) Suggest one global policy that could help slow down this loss.