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Câu 12: Cấu tạo ngoài của Thằn lằn bóng đuôi dài thích nghi với đời sống trên cạn. a. Da khô có vảy sừng bao bọc b. Da trần ẩm ướt c. Da khô và tron d. Da trần có lớp sáp bảo vệ.

Mn ơi làm giúp em bài này vs ạ khó quá

Cho tam giác ABC có góc A=90 độ. Kẻ AH vuông góc với BC tại H. Trên đường thẳng vuông góc với BC tại B lấy D sao cho BD=AH. C/m: a) ΔAHB= ΔDBH b) AB//DH c) Tính góc ACB biết góc BAH=35 độ Thank!!!!!!!!!!!!!!!!!!!

B. GRAMMAR & VOCABULARY I. Choose the correct collocation. 6. 17, 29 and 395 are all strange / odd / unequal numbers. 7. Many European countries use the euro as their standard unit of money / value / currency. 8. 26, 8 and 192 are all equal / level / even numbers. 9. The bill comes / arrives / gets to a total of 287 dollars. 10. The unemployment rate is falling / decreasing / lowering. 11. The standard of living has grown / risen / increased in the last ten years. 12. We changed / exchanged / passed some interesting ideas with our colleagues in the USA. 13. Tom and Jo are changing / transferring / moving house to be nearer Jo’s elderly parents. 14. The new model of this computer will become / get / make available in September. 15. At the end of the presentation we could raise / rise / arise any issues that we wanted to discuss. 16. The firm got / made / became very successful, but then problems appeared / arrived / arose. II. Complete each sentence with a word or phrase from the box. bitterly conversation enough hints ignorance in the conversation observations politely profusely Softly the subject the conversation the truth 17. I hope you will always tell me ………………………………………………. 18. I wish you had never raised ………………………………………………. 19. I hope she’ll get the point if I drop ………………………………………………. 20. You can usually rely on Jack to make some interesting ………………………………………………. 21. I don’t believe George when he pleads ………………………………………………. 22. I was too shy to join in ………………………………………………. 23. When he arrived late he apologised ………………………………………………. 24. When I give my students a lot of homework, they always complain ………………………………………… 25. It doesn’t sound quite natural to address your fellow students so …………………………………………… 26. ‘I love you,’ he whispered to her ………………………………………………. 27. I’ll try to attract his attention during a lull ………………………………………………. 28. It’s not always easy making polite ……………………………………………….

Giúp mình vài này với mình cảm ơn nhiều ạ