Mức độ làm việc nhà của các bạn như thế nào?

Give the correct form of the words given to complete the sentences.
1.The ______________ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_____________ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the__________ complained to REDIDE
its owner.
4. Are all types of pollution__________ to the health of humans and animals? HARM
5. The_____________ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ___________waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink _________water. TREAT
8.Examples of primary________________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water____________ , more people will have fresh water. CARE
10. The polluted water results in the _________of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
___________________________________________________________________
2. The environment is polluted. Birds leave their habitats and plants die. (make)
___________________________________________________________________
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
___________________________________________________________________
4. The food is contaminated. People’s health is poor. (results in)
___________________________________________________________________
5. Factories release fumes. The air breathe gets polluted. (due to)
___________________________________________________________________
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
___________________________________________________________________
2. The local people have to use water from the polluted river. They don’t have fresh water.
___________________________________________________________________
3. Trees and grasses cannot grow here. The soil is badly polluted.
___________________________________________________________________
4. Mr Quang works in a noisy environment. His hearing becomes worse.
___________________________________________________________________

Exercise 4: First or Second Conditional? Put the verbs in the correct tense.

1. If I …………………………. Greek, I would be proud.

2. If you ……………………… (do) what he says, you won’t have a problem with him.

3. If I were you I …………………………………. (buy) a sports car.

4. If I ……………………………………….(be) taller, I would become a model.

5. If she ……………………………………. (not / have the flu), she would go to school.

6. If you don’t drive carefully, you ………………………………(have) an accident.

7. If they come to Greece, I …………………………………….(visit) them.

8. If we …………………………………. (go) on holiday, we would go to Rhodes.

9. If her husband were more polite, she ……………………………. (divorce) him.

10. If I ……………………………………………(take) the car, I won’t be late

em hãy viết 1 bài văn trình bày suy nghĩ của em về đoạn văn sau:

Bàn tay người quét rác

Con trai của người quét rác đỗ thủ khoa trong kỳ thi tuyển sinh vào đại học. Phóng viên truyền hình tìm đến phỏng vấn người mẹ về bí quyết nuôi dạy con.

Chị công nhân quét rác trả lời ngắn gọn: “Bí quyết của tôi là mỗi ngày nắm tay con ít nhất một lần!”. Nói rồi chị chìa bàn tay phồng rộp về phía ống kính máy ghi hình.

tìm x(2x-3)-2(3x-2)=0

phân tích đa thức thành nhân tử

a)4a^2b^4-c^4 d^2

b) 7x^3-a^3b^3

c)16x^3+54y^3