giúp mình câu này với mình cảm ơn nhìu

Chứng minh rằng nếu hình thang có hai cạnh bên bằng nhau thì đó là hình thang cân hoặc hình bình hành

lập dàn ý chững minh rằng trong đoạn trích "Nước đại việt ta" nêu lên một quan điểm khá hoàn chỉnh và toàn diện về Tổ quốc hơn hẳn bài Sông núi nước nam

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Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks. Not everybody recognizes the benefits of new developments in communications technology. Indeed, some people fear that text messaging may actually be having a negative (15)_____ on young people's communication and language skills, especially when we hear that primary school children may be at (16)______ of becoming addicted to the habit. So widespread has texting become, however, that even pigeons have started doing it. What’s more, in this case, it's difficult to view the results as anything but positive. Twenty of the birds are about to (17) ______ to the skies with the task of measuring air pollution, each (18) _____ with sensor equipment and a mobile phone. The (19) _____ made by the sensors will be automatically (20) _____ into text messages and beamed to the Internet - where they will appear on a dedicated 'pigeon blog'. Question 15. A. result B. outcome C effect D. conclusion Question 16. A. danger B. threat C. risk D. peril Question 17. A. make B. launch C. reach D. take Question 18. A. armed B. loaded C. granted D. stocked Question 19. A. studies B. readings C. reviews D. inquiries Question 20. A. adapted B. converted C. revised D. applied Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Question 21. In fact the criminals ___________into because the front door was wide open and so they just walked in. A. needn't have broken B. didn't need break C. didn't need to break D. needn't to have broken Question 22. The city libraries present a gloomy picture of the ___________who used to flock the libraries every evening. A. gradual reduction of readers B. gradual readers reduction C. gradual readers of reduction D. reduction gradual read.

Mọi ng giúp mk vs ạ. Mk sẽ vote nhé

Tìm GTNN của bt: B= -5/ căn x+2 C= -3/ x- 2 căn x+10

Cali: Bạn làm sao ý Vẽ đẹp vô nhóe

these new machines have put an end to quewing - before these ín't a pair of jeans lèt in the shop, miss! - we are lẹ cần gấp

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