Giỏi tiếng anh chỉ em câu 15 đến 20 với ạ

Cho tam giác ABC, đường cao AD. Vẽ hai điểm E và F sao cho AB, AC theo thứ tự là đường trung trực của DE, DF. Gọi giao điểm của EF với AB, AC lần lượt là K,I. Chứng minh rằng 3 đường thẳng AD, BI, CK cùng đi qua một điểm. Giups mk vs mk cần gấp

1. Trong sự tiến hóa các hình thức sinh sản thì hình thức sinh sản nào có ưu thế hơn . Vì sao? 2. Sự tiến hóa các hình thức sinh sản hữu tính được thể hiện như thế nào ? Giúp mink vs các bạn😁😁

Phân tích giúp em với ạ "X⁴+x³+x²+1"

Vẽ đậu mầm hoặc anime or chibi (1 trong 3) Lưu ý: Digi :> Xấu, vẽ không có tâm = bc :>>>>

A chj viết cấu trúc thì hiện tại tiếp diễn giúp e vs ạ! Khó quá :((((

Vẽ chibi + Hướng dẫn cách tỉa tóc trên medibang Yc : digi KHÔNG tradi, full màu + line Có tâm ak

26. What’s his age ? How …………………………………………………………… 27. What is the depth of this lake? How …………………………………………………………… 28. How long is your ruler ? What …………………………………………………………… 29. How heavy is his brother? What …………………………………………………………… 30. This year is 2021 and he is fifteen years old. He ……………………………………………………………… 31. My father is five year older than my mother.  My mother ……………………………………………………. 32. There is a man sitting in front of a woman. There is a woman …………………………………………………… 33. Playing chess was my hobby when I was a small boy. I …………………………………………………………………… 34. April comes before January in the dictionary. January …………………………………………………………… 35. The film interested me a lot. I …………………………………………………………………

Mình k hiểu nghĩa cái câu dịch ra á, giải thích nghĩa đó đc k ạ 🥲

Use either the SIMPLE PRESENT or the PRESENT PROGRESSIVE of the verbs in parentheses. l. Ann is a painter. She (go) ............... to the opening of every new art show in the city. She (like)................. to see the latest work of other artists. Right now she (prepare) .................... for her own show of her new paintings next month. 2 A : What book (read, you).................... B: It's about Spain. I (think) .................. you would enjoy it. A: I (see) ..................sailing ships on the cover. B: Yes. It (be) ................ about Spanish explorations in the 17th century. 3 A : I (leave) ............. now. (want, you) .................. to go with me into town? B: No, thanks. I can't. I (wait) ...................... for my sister to call from the airport so that I can pick her up. 4. I work for an agricultural equipment company called Ballco. Right now, Ballco (try)..............to establish business contacts throughout South America. At the present time, our sales manager (travel) ............... in Brazil and (talk)............ to potential customers. He (know) ............... both Spanish and Portuguese. 5. A: Does the earth turn around and around? B: Yes, Jimmy. The earth (spin) ................around and around on its axis as it circles the sun. The earth (spin) ................ rapidly at this very moment. A: I (feel, not) ..................... anything. (try, you) ........................to fool me? B: Of course not! (think, you, really)................ that the earth isn't moving? A: I guess so. Yes. I can't see it move. Yes. It isn't moving. B: (believe, you) ............................ only those things that you can see? Look at the trees out the window. All of them (grow) ................... at this very moment, but you can't see the growth. They (get) ...................... bigger and bigger with every second that passes. You can't see the trees grow, and you can 't feel the earth spin, but both events (take) ..................place at this moment while you and I (speak) ................... A: Really? How do you know? 6. A: Look at Della! Where (go, she) ....................and why (walk, she) ............. so fast? B: She (rush) ................... to a meeting with the company vice-president. Every morning at this time, she (submit)................... a report on the previous day's activities and (present)................. the daily recommendations A: But 1 (hear, usually) ........................... the daily recommendations from the president himself at the ten o'clock staff meetings. B: Every day, the vice-president (rewrite) .................. Della's comments and (take) ....................them to the president. At every ten o'clock meeting, the president simply (read) ........................ the same recommendations that Della stayed up working on the night before, and he (act) ................... like he's been up for hours contemplating those ideas. A: Well, I'll be darned! That (seem, not) ......................... fair! B: It (be, not) ..................... But that's the way it works