Tự luận

5. (Trang 20 - Tiếng anh 12): Use the conjunctions and the ideas in the box to make complex sentences. 

(Sử dụng các liên từ và ý tưởng trong hộp để tạo câu phức.)

so that if because when although

black carbon particles are released into the air this will help to save energy we keep polluting our rivers, seas and oceans they are aware of their high exhaust emissions we can reduce energy consumption and air pollution

1. We should use recycled materials_______

2. More and more aquatic animals will die _______

3. Levels of soot pollution increase _______

4. Some farmers still use old diesel trucks _______

5. We should walk or cycle more often _______

1. (Trang 20 - Tiếng anh 12): Complete the following sentences with the words or phrases that solve the crossword puzzle. 

(Hoàn thành các câu sau đây với các từ hoặc cụm từ mà giải các câu đố ô chữ.)

ACROSS

1. We should ________ to save the planet for our grandchildren.

DOWN

2. We can start going green by using eco-friendly ________.

3. One of the easiest ways to prevent breathing in ______ particles is wearing a face mask.

4. Some families in Viet Nam have started using ________farming methods to grow vegetables at home.

5. It is believed that__________ causes stress, which can affect our mental health.

6. Mould and   ________ should be removed with green or natural cleaning products.

7. Some people think that the energy resources we use cannot be ________.

8.  We need to learn more about complete and incomplete ________ to reduce air pollution.

Bài làm:

2. (Trang 20 - Tiếng anh 12): Use the words from the crossword puzzle to complete the sentences. Change the word form, if necessary. 

(Sử dụng các từ trong câu đố ô chữ để hoàn thành câu. Thay đổi hình thức từ, nếu cần thiết.)

1. Carbon dioxide and black carbon, or__________ , are two of the most dangerous air pollutants.

2. The more __________ food we consume, the more health benefits we gain.

3. Research has shown that office _____________ has negative effects on employers' productivity an performance.

4. Using renewable resources is the best option for preventing the__________ of fossil-based resources.

5.  _________ innovation should promote green lifestyles and sustainable development.

6.  __________ is a chemical reaction between substances, which usually includes oxygen and produces heat and light.

Bài làm:

3. (Trang 20 - Tiếng anh 12): Connect each pair of sentences with an appropriate conjunction in the box to make compound sentences. 

(Kết nối mỗi cặp câu với một kết hợp thích hợp trong hộp để tạo câu ghép.)

neither... nor     but     and     so     either... or 

1. People should not throw rubbish in the park. People should not cut down the trees in the park. 

2. Mould and mildew can cause health problems. We need to remove any growth regularly.

3. For a start, we should use renewable resources. We should also consume more organic food.

4. Modern household appliances make our life more convenient. Some of them are not eco-friendly and cause pollution.

5. We should not waste paper. We should not cut down any trees either.

Bài làm:

4. (Trang 20 - Tiếng anh 12): Complete the following sentences using which and the words given. Change the word forms or add some words, if necessary. 

(Hoàn thành các câu sau đây sử dụng 'which' và các từ cho trước. Thay đổi hình thức từ hoặc thêm một số từ, nếu cần thiết.)

1. some businesses and people / been environmentally irresponsible / lead / global warming/climate change

2. green technology / use renewable resources / create / eco-friendly / products

3. climate changes / affect crop harvests / cause / global / local / food shortages

4. environmental pollution / put some species / danger of extinction / affect / species diversity / Earth

5. everybody / should make an effort / go green / help / save / planet / future generations

Bài làm:

5. (Trang 20 - Tiếng anh 12): Use the conjunctions and the ideas in the box to make complex sentences. 

(Sử dụng các liên từ và ý tưởng trong hộp để tạo câu phức.)

1. We should use recycled materials_______

2. More and more aquatic animals will die _______

3. Levels of soot pollution increase _______

4. Some farmers still use old diesel trucks _______

5. We should walk or cycle more often _______

Bài làm: