Kể tên các phương pháp gia công cơ khí đã học trong lớp 8 ? Lấy mỗi loại 3 ví dụ ?

                                                       Mọi người lm hộ em câu c thôi ạ. Giúp em với ạ?

Cấu tạo bếp điện

Cấu tạo , vật liệu tạo ra các phần tử của động cơ điện 1 pha

1. You shouldn’t throw those papers away; they’re ______. A. refillable B. recyclable C. reducible D. repayable

2. We should use reusable shopping bags _______ plastic bags. A. in spite of B. because of C. instead of D. place of

3. Thousands of people donated money and food to those in _______. A. length B. order C. need D. space

4. _______ pollution can cause hearing loss. A. Air B. Noise C. Water D. Soil

5. If more people cycle, there will be _______ air pollution. A. less B. more C. much D. little

6. If she asks for money, I _____ her. A. would give B. gave C. would have given D. will give

7. If I _____ this exam, I’ll go to the university next summer. A. pass B. to pass C. had passed D. passed

8. Turn _____ the lights when we go out. A. of B. up C. on D. off

9. We shouldn’t _______ rubbish on the street. A. throw B. reuse C. wrap D. turn off

10. I seldom go to _____ cinema nowadays. A. a B. an C. x D. the

11. What’s _____ name of _____ hotel you’re staying? A. the – the B. the – a C. a – the D. a – a

12. Many people in Vietnam speak _____ English better _____ Vietnamese. A. x – x B. an – x C. x – a D. the – x

13. My mother is _____ engineer. She works in _____ big factory near my house. A. an – a B. a – an C. an – x D. an – the

14. Water in this area is very _____. A. pollute B. polluted C. polluting D. pollution

15. These glass bottles are _____. They can be recycled many times. A. reuse B. reusable C. recycle D. recyclable

16. To save _____, turn off lights and television when not in use. A. electricity B. electric C. electrical D. electrician