1. Read the essay quickly and choose the best title.

(Đọc nhanh bài luận và chọn tiêu đề hay nhất.)

a. Should we send people to Mars? (Chúng ta có nên đưa người lên sao Hỏa không?)

b. Is space exploration a good thing? (Khám phá không gian có phải là điều tốt không?)

c. Which planet should we visit next? (Chúng ta nên đến thăm hành tinh nào tiếp theo?)

(1) _______ that the next step in space exploration is sending astronauts to Mars. It sounds exiting, but (2) _______ it?

(3) _______, we might discover things we need on Earth - like oil or gas. (4) _______, we already know that there is a lot of the gas methane on Mars and it can be used to make plastic. (5) _______  we could discover new forms of life. (6) _______ there is frozen water on Mars and possibly even running water. This may mean there are other forms of life there.

(7) _______, a manned mission to Mars would be incredibly expensive, at over $50 billion. The spacecraft would need to take food, water, oxygen and medical supplies and these things would have to be launched into space. (8) _______ we could spend this money on solving the problems we already have on Earth. (9) _______, it's very dangerous. We don't know the effects of being in space and of weightlessness on the human body for such a long period of time. In (10) _______, the possible human cost is too great a risk.

(11) _______, while living on Mars might seem like a good idea, I think we have big problems to solve on Earth first.

2. Complete gaps 1-6 in the essay with phrases a-f.

(Điền các chỗ trống từ 1 đến 6 trong bài luận bằng các cụm từ a đến f.)

a. For example

b. Many people believe

c. It seems

d. On the one hand

e. Another advantage is that

f. is it worth

(1) _______ that the next step in space exploration is sending astronauts to Mars. It sounds exiting, but (2) _______ it?

(3) _______, we might discover things we need on Earth - like oil or gas. (4) _______, we already know that there is a lot of the gas methane on Mars and it can be used to make plastic. (5) _______  we could discover new forms of life. (6) _______ there is frozen water on Mars and possibly even running water. This may mean there are other forms of life there.

3. Complete gaps 7-11 in the essay with phrases a-e.

(Điền các cụm từ a-e vào chỗ trống từ 7-11 trong bài luận.)

a. my opinion

b. To sum up

c. I believe

d. On the other hand

e. Moreover

(7) _______, a manned mission to Mars would be incredibly expensive, at over $50 billion. The spacecraft would need to take food, water, oxygen and medical supplies and these things would have to be launched into space. (8) _______ we could spend this money on solving the problems we already have on Earth. (9) _______, it's very dangerous. We don't know the effects of being in space and of weightlessness on the human body for such a long period of time. In (10) _______, the possible human cost is too great a risk.

(11) _______, while living on Mars might seem like a good idea, I think we have big problems to solve on Earth first.

4. Match the paragraphs with the parts of the essay.

(Nối các đoạn văn với các phần của bài luận.)

Paragraph 1: _______

Paragraph 2: _______

Paragraph 3: _______

Paragraph 4: _______

5. Choose the correct option.

(Chọn phương án đúng.)

1. To sum off/up, I believe space exploration is a good idea.

2. One reason to / for doing this is to find another planet to live on.

3. Nowadays, more and more / more and most people believe we should travel in space.

4. The most / main disadvantage is a lack of technology.

5. In/From my opinion, we have more important problems here on Earth.

6. On the other hand / Finally, it could be a stepping stone for further space exploration.

6. Match sentences 1-6 from Exercise 5 with the headings.

(Nối các câu từ 1 đến 6 trong Bài tập 5 với các tiêu đề.)

7. Complete the notes with the words and phrases below.

(Hoàn thành các ghi chú bằng các từ và cụm từ bên dưới.)

Should we spend money on finding another planet to live on?

For:

might not be able (1) _______ this planet

discover (2) _______ of life

growing (3) _______ on Earth and limited space

Against:

too (4) _______ - billions of dollars

(5) _______ on Earth more urgent

too (6) _______ - could die in space

8. Look at the notes in Exercise 7. Write an essay answering the essay question. Follow the instructions below.

(8. Xem các ghi chú trong Bài tập 7. Viết một bài luận trả lời câu hỏi bài luận. Làm theo hướng dẫn bên dưới.)

1. Use the essay in Exercise 1 as a model. (Sử dụng bài luận trong Bài tập 1 làm mẫu.)

2. Include the following in your essay: (Bao gồm các nội dung sau trong bài luận của bạn)

• an introduction and conclusion (phần giới thiệu và kết luận)

• the advantages and disadvantages (ưu điểm và nhược điểm)

• reasons for your opinions. (lý do cho ý kiến của bạn.)

3. Use phrases from Exercises 2, 3 and 5. (Sử dụng các cụm từ trong Bài tập 2, 3 và 5.)