a,x^50=x :b,x^2=64:c,x^3=125:d,90=10.3^x mọi người giải cái

than / Ha Noi / more / Ha Nam / crowded / is

Ha Long Bay is one of the most famous tourist (1)............ in Vietnam. It (2)............ among the Seven Wonders of the world. In the old Vietnamese, “ Ha Long” literally means “ descending dragon .” (3)........... its popularity, not many people know about the legend behind its name. (4)................ has it that at the early time of the country, Vietnamese people had to fight against aggressive invaders from the North through the sea. The Jade Emperor then sent the Mother Dragon and her children to help Vietnamese (5)......... the enemy and protect their homeland. The dragons destroyed the enemy’s army by fire and giant emeralds from their mouths . These emeralds then (6)......... around the battlefield on the sea and created a defensive wall , which made the enemy’s ships all sink. It (7).......... that the wall of emerald turned (8)........... island and islets that we can see today. After the battle, The Mother Dragon and her children didn’t come back to the heaven , but stayed with the ancient Vietnamese and help people build their country 1. A. Appeals B. Attentions C. Attraction D. Attachments 2. A. Is listed B. Is listing C. Lists D. Listed 3. A. But B. Yet C. Despite D. In spite 4. A. Story B. Tale C. Fable D. Legend 5. A. Defeat B. Defeated C. Defeating D. Are defeated 6. A. Went B. Scattered C. Turned D. Mattered 7. A. Is believed B. Believes C. Was believed D. Believed 8. A. Into B. Out. C. Off. D.on

Cali: Anh và em như hai đường thẳng song song không một tia hy vọng. Tone màu sáng, đẹp ạ (┬┬﹏┬┬)(┬┬﹏┬┬)(┬┬﹏┬┬)

Cho tam giác ABC cân tại A ( góc A < 90 độ ). Đg cao AD và CE cắt nhau tại H a) c/m:tam giác HEA đồng dạng tam giác HDC b)c/m góc ECB= góc DAC c)Kẻ DM vuông góc EC ( M thuộc EC ). C/m DM đi qua trung điểm N của AC

nhanh giùm e với ạ, e đg gấp lắm ạ

Cho tam giác ABC, có trọng tâm G, d là đường thẳng bất kì không cắt các cạnh của tam giác. Chứng minh rằng khoảng cách từ G đến d bằng một phần ba tổng khoảng cách từ A,B,C tới d.

đặt tính rồi tính ádfghjkwfnewqwsd

Cơ thể đa bào, đối xứng hai bên, bộ xương ngoài bằng kitin và các phần phụ phân đốt khớp động với nhau là đặc điểm của ngành động vật nào sau đây? A. Chân khớp. B. Động vật nguyên sinh. C. Thân mềm D. Động vật có xương sống

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. 24. She studied very well although her difficult living conditions. A. studied B. well C. although D. conditions 25. Thanksgiving is a season holiday held to give thanks to God for successful harvests. A. season B. held C. to give D. successful Combine two sentences into a new one using the given words in brackets. Do not change the given words in any ways. 26. My brother isn’t good at English. I’m not either. A. Neither my brother nor I am not good at English. B. Neither my brother nor I am good at English. C. Not only my brother but I am good at English as well. D. Both my brother and I are good at English. 27. He tried hard. He couldn’t set up a new world record. A. He couldn’t set up a new world record although he tried hard. B. He couldn’t set up a new world record even though trying hard. C. He couldn’t set up a new world record because he tried hard. D. He couldn’t set up a new world record because of he tried hard. Rewrite the following sentences in such a way that their meaning stays the same, beginning with the words provided. 28. My French friend finds driving on the left difficult. A. My French friend is not used to driving on the left. B. My French friend is used to driving on the left C. My French friend has no problems with driving on the left. D. My French friend had difficulty to drive on the left. 29. I thought this film would be better. A. The film was boring. B. The film made me bored. C. I didn't like the film because it was boring. D. The film wasn't as good as I expected. 30. They will give Martha a lot of presents on her birthday. A. A lot of presents will given Martha on her birthday. B. A lot of presents were given to Martha on her birthday. C. A lot of presents will be giving to Martha on her birthday. D. A lot of presents will be given Martha on her birthday.