Cho tam giác ABC cân tại  có các đường cao BD và CE cắt nhau tại H. Gọi  lần lượt là trung điểm của HC, HI và I là giao điểm của BM và CN. Chứng minh rằng ba điểm thẳng hàng.

giúp mình nhanh với mọi người

 trình bày phương trình quang hợp ở thực vật và phương trình hô hấp ở tế bào

giúp mình nhanh với ạ

Em hãy viết một đoạn văn ngắn khoảng mười lắm dòng nêu lên suy nghĩ về quyền tự do của em trong nhà trường và gia đình

II.Complete each of the following sentences with superlatives.

1. My room is _________________ room in my house.                                                  (clean)

2. This is _________________ robot I've ever known.                                                    (clever)

3. In my opinion, John is one of _________________ men in the world.                       (lucky)

4. Mount Everest is _________________ mountain in the world.                                  (high)

5. Sam draws _________________ pictures of the doctor robots.                                  (good)

6. The blue whale is _________________ animal in the world.                                      (big)

7. This is Ant Robot, one of _________________ robots in this show.                          (tiny)

8. I'm sure this is _________________ robot in this competition.                                   (strong)

9. Our robot gave _________________ answer among 20 robots in this round.             (quick)

10. This is _________________ color we can use to paint our robot.                             (dark)

11. This is _________________ robot in the show. It is two metres tall.                        (tall)

12. Tokyo is one of _________________ cities in the world with 37 million people. (large)

13. She usually buy _________________ clothes in the store.                                        (cheap)

14. _________________ river in the world is the Amazon. It is in Brazil.                      (long)

15. Riko is _________________ of the three robots.                                                      (heavy)

III. Complete each of the following sentences with comparatives or superlatives.

1. Travelling by plane is much _________________ than travelling by train.                 (safe)

2. Do you think Mona is _________________ girl in our class?                                     (pretty)

3. This robot is _________________ at playing the piano than that robot.                     (bad)

4. The company have shown off _________________ generation of its robot at an international robot show in Ha Noi.                                                                                                                                   (late)

5. I think we need a _________________ robot than this one.                                       (fast)

6. This is _________________ smartwatch we've ever produced.                                  (thin)

7. The use of robots in housework makes people _________________  .                       (lazy)

8. This cleaning robot produces _________________ noise than the one we bought last month.    (little)

9. I don't like this robot because it's _________________ robot I've ever seen.             (slow)

10. We have used _________________ techniques to make this robot.                          (modern)