Bài 2: Cho hình chữ nhật ABCD. Gọi E là điểm đối xứng với D qua A a) Chứng minh tứ giác AEBC là hình bình hành. b) Gọi F là điểm đối xứng với B qua A, Chứng minh tứ giác BEFD là hình thoi.

1 máy biến thế gồm 2 cuộn dây: dây thứ nhất có 5000 vòng cuộn thứ hai gồm 30000 vòng máy biến thế được đặt và sự dụng tại nhà máy phát điện cuộn dây nào của máy biến thế là cuộn sơ cấp ? vì sao

Dat cau hoi cho cau Khi mua he den, cuoc keu ra rã

Cho biểu thức: A = (-a - b + c) – (-a – b – c) a) Rút gọn A b) Tính giá trị của A khi a = 1; b = -1; c = -2

giúp mình bài này với ai trả lời đúng và đầy đủ mình sẽ vote 5

Giúp mk câu này với nha các bạn

viết 1 đoạn văn vs chủ đề covid 19 có sử dụng từ ghép

có thể biến chùm tia hội tụ thành chùm tia song song bằng gương cầu lõm không

giúp mik với nha , mik cần gấp lắm 9. Jack spends almost his time staring at his smart phone, ............. is very short-sighted. A. and B. or C. but D. so 10. My father loved ............. horse-riding when he was young. A. doing B. going C. playing D. taking 11. She feels itchy and her nose is running. She says she has .............. . A. headache B. toothache C. allergy D. a flu 12. Jenifer says that she ................ collecting dolls, but she............... in the future. A. will like / won’t continue C. likes / continues B. likes / won’t continue D. will like / continues 13. The villagers are __________ they were years ago. There is no change at all. A. as friendly as C. different from B. as friend as D. not as friendly as 14. Dong ho paintings are made on __________ paper with beautiful __________ colours. A. tradition – nature B. tradition – natural C. traditional – nature D. traditional – natural 15. My village is not __________ it was ten years ago. A. same as B. the same C. the same as D. the same like II. Give the correct form of the verbs. 1. He can (speak) ________________ English well. 2. I enjoy (fish) ________________ because it is relaxing. 3. Would you like (have) ________________ dinner with my family? 4. You should (have) ________________ breakfast every day. 5. He doesn’t like (meet) ________________ An this weekend. III. Read and fill in the blanks with ONE word given in the box. hobby improve when taught writes because ending might myself cultures My name is Sara. My favourite (1) _________ is reading. I enjoy reading a book when I am free. I started to do it (2)________I was four years old. The first time I did it, I felt interested. So I kept reading. The teachers (3)_________ me to read the difficult words. I was happy when I read a story with a happy (4) _________. I was thrilled when I read a detective story. I enjoy reading (5) _______ I like to explore the imaginative world of my favourite author, J.K. Rowling who (6) ___________ “ Harry Potter” . There are a lot of advantages of reading. Reading can make me relaxed and calm. I can also learn new vocabulary items. Then I can further (7) __________my English. Moreover, it can give me an unlimited imagination, so I can write books in the future. I can learn the different (8) _______ and customs of other countries in the world too. I read at least one hour every day. I read books by (9) ___________. I usually read it at home. I wish I could read different kinds of books because it (10) ______ be very challenging. IV. Arrange these words/ phrases into the meaning sentences 1. sunburn / yesterday / was / because / outside / has / Alice / she / all / day. ______________________________________________________________________________ 2. and / difficult / boring / that / eggshells / people / carving / Some / say / is . ______________________________________________________________________________ 3. girl / have / is / the / kind-hearted / She / most / ever / I /met ______________________________________________________________________________ 4. organization / the / to / encouraged / people / Big Heart / has / protect / environment. ______________________________________________________________________________ V. Rewrite the sentences 1. You should walk around the Old Quarter at night. → It’s a good idea to........................................................... 2. He is interested in doing morning exercise. → He enjoys .................................................................................... 3. I started playing soccer 5 years ago. → I have.............................................................................. 4. Jack is 13 years old and my son is,too. → Jack is .............................................................................................. 5. Mary was sick, so she could not go to school. → Because ........................................................................................... 6. The last time I met him was 3 years ago → I haven’t ...........................................................................................

các bạn giúp mik nốt 2 bài. mik hết điểm rồi