cho một vật sáng ab, 1 vật chắn cd song song với ab,phía sau cd đặt màn chắn m , hãy vẽ hình và chỉ ra vùng tối vùng sáng vùng nửa tối trên màn chắn m hình vẽ đây này giúp mình với ko là mình trễ hrjn đấy

thuyết minh giới thiệu về một truyền thống đẹp ở quê hương em

31. My grandfather is over 90 years old, so he________ a lot of interesting experience. A. must have B. can have C. should have D. had to have 32. International Women’s Day is an occasion to make more ________towards achieving gender equality. A. movement B. progress C. improvement D. development 33. Some countries in the world still face difficulties in gender ________. A. education B. rights C. equality D. progress 34. Moreover, a lack of female teacher contributes to low ________of girls in school. A. enrolment B. application C. participation D. gender 35. She had to ________with four other boys for the gold medal. A. compete B. promote C. access D. provide 36. The company has put advertisements everywhere to ________their new product. A. promote B. address C. eliminate D. pursue 37. Growing up, he suffers a lot of ________, just because of his dark skin color. A. encourage B. discrimination C. equality D. education 38. In developing countries, many girls are ________into marrying at a young age. A. pressured B. sued C. supported D. helped 39. Women are demanding equal ________for equal work. A. gender B. address C. property D. right 40. The gender ________in primary education has been eliminated. A. opportunity B. gap C. employment D. healthcare

21. She was afraid she ________rejected because she was a girl. A. would be B. can be C. will be D. should be 22. The tasks ________equally divided between women and men. A. not will be B. not be C. will be D. will been 23. Many important laws have been passed to ________equality in the workplace. A. ensure B. affect C. eliminate D. force 24. Reducing gender ________improves productivity and economic growth of a nation. A. equality B. inequality C. possibility D. rights 25. Three-quarters of the ________ in this textile factory is female. A. government B. wage C. workforce D. decision 26. ________ mothers are not able to devote enough time to their kids, so the kids are not able to express their feeling with parents. A. remarkable B. qualified C. equal D. working 27. A lot of people in developing countries are living on below-average ________. A. incomes B. wages C. salary D. bonus 28. The children suffer from depression because of family ________. They often see their father beat their mother. A. conflict B. violence C. argument D. bully 29. He isn’t at home now. He ________ at the stadium. A. should be B. will be C. shall be D. must be 30. You ________ too much salt into your meals. It’s not good for your health. A. must put B. shouldn’t put C. should put D. have to put

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giúp e bài phần 6 thôi ạ (từ câu20-27)

11. Tom ________a good way in this company. A. might pay B. should be pay C. might be paid D. might been paid 12. Milk ________ in the fridge or it will go sour. A. must keep B. must kept C. must be keep D. must be kept 13. The door ________ before you go out. A. must be locked B. must lock C. must locked D. must been locked 14. School rules________ by students. A. ought be followed B. ought to follow C. ought to followed D. ought to be followed 15. Women with high qualifications ________ to managers. A. must promote B. must be promoted C. must move D. must be moved 16. ________ dealt with differences between women and men? A. May the issues be B. Be the issues may C. Been the issues may D. The issues may be 17. Both men and women________ in our school. A. would educate B. would be educated C. would been educate D. would educated 18. ________I help you? A. Can B. Should C. Mustn’t C. Have to 19. If you travel to the USA, you ________ have a visa. A. can B. should C. must D. will 20. Girls ________be kept at home to do housework. A. should B. may not C. shouldn’t D. must

tìm x thuộc Z sao cho:(x+1).(3-x)=0

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Làm giùm mình bài 14 ai làm mình cho Tim