Language - Examination 4 - English 7 Worldwide Achievement (Page 134)

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Ngày cập nhật gần nhất: 15/4/2026

Các câu hỏi thường gặp

1.

How can we save energy according to the sentence 'We can save energy by recycling'?

Recycling is one effective way to save energy. By reusing materials, we reduce the need for manufacturing new products, thus conserving energy resources and reducing environmental impact.
2.

What does 'coal' represent in the sentence 'It is a non-renewable source of energy'?

Coal is a fossil fuel that is non-renewable, meaning it cannot be replenished in a short period. It is a finite resource used for energy production, often contributing to environmental pollution.
3.

How do 'solar energy' and 'hydro energy' differ from 'coal' as a source of energy?

Solar and hydro energy are renewable, meaning they can be replenished naturally over time, unlike coal, which is a non-renewable resource and contributes to long-term environmental degradation.
4.

What is the role of the verb tense in 'At present, our class is doing a big project'?

The present continuous tense 'is doing' is used here to describe an ongoing action happening right now. This tense is appropriate for actions occurring in the present moment.
5.

Why is 'the' used in 'The Statue of Liberty is in the USA'?

The definite article 'the' is used here because 'Statue of Liberty' refers to a specific, well-known landmark. It indicates that the speaker is referring to a unique, identifiable object.
6.

What is the mistake in the sentence 'Can you give me a example of an electrical appliance?'

The correct article should be 'an' instead of 'a', as 'example' begins with a vowel sound. The sentence should read 'Can you give me an example of an electrical appliance?'

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