các bạn giúp mình với đây chỉ là đề 15p thôi

Cho MNP vuông tại M, MN = 12cm; MP = 9cm, đường cao MH. a. Tính diện tích MNP và đường cao MH. b. Gọi D là điểm đối xứng với H qua MN, E là điểm đối xứng với H qua MP. Chứng minh: D đối xứng với E c. Lấy A là trung điểm của NH, B là trung điểm của PH. DH cắt MN tại I, HE cắt MP tại K. Chứng minh: IA // KB.

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A: peaceful B: quiet C: friendly D: nomadic

Khoanh tròn vào đáp án đúng Why is it necessary to learn English? English is the most commonly used language among foreign language (1) ___________. Nowadays, when people from different nationalities (2) ______________ to communicate, they commonly use English language. If you can speak English fluently, you have more chances of making friends with foreigners. It helps you connect with and (3) _________ from people of different cultures. In (4) __________ of career aspects, knowing English (5) _____________ up job opportunities. Being able to communicate with foreign clients and business partners (6) _______________ you a more challenging position in your career. (7) _________ English is the language of the Film industry and learning it (8) _______________ you will no longer have to rely on subtitles or dubbed versions. You will also be able to read books written by English-speaking authors in their original version. Last but not least, music is much better if you can understand the meaning. We are sure that you will be satisfied to enjoy English-language music morel. 1. A. speakers B. tellers C. talkers D. chatters 2. A. wants B. want C. is wanting D. are wanting 3. A. learn B. learns C. is learning D. are learning 4. A. ways B. means C. terms D. references 5. A. opens B. is opening C. has opened D. opened 6. A. provide B. provides C. is providing D. had provided 7. A. Moreover B. Therefore C. However D. Instead 8. A. means B. meaning C. mean D. meant

Cho x>0, y>0 thỏa mãn x^3 + y^3 = x - y. Tìm giá trị lớn nhất của A = x^2 + y^2

Lịch sử 9 : em hãy trình bày phong trào đấu tranh của giai cấp tiểu tư sản ? ( 1919-1925)

giải giúp em câu 5 vs ạ e cảm ơn nhiều

1, I asked him what he....in the supermarket A. has bought B. had bought C. buys D. wil buy 2, He ran out crying as soon as I....him the bad news A. was telling B. tell C. have told D. hald told 3, This boy....the sea A. is seen B. have seen C. hasn't seen D. haven't seen 4, I think that your dogs....me A. don't like B. are liking C. likes D. aren't liking 5, When I arrived, he had left >>> After............................ 6, They are preparing dinner in another room >>> Dinner............................. 7, She isn't going to sell these roses >>> These roses............................ 8, Someone has taken away all of my kittens >>> All of..................................... 9, No one could solve the super hard math problem >>> That super hard............................... 10, We are doing an easy exercise at the moment >>> An easy exercise.............................. 11, He made us work late yesterday >>> We.................................. 12, We are going to give him a diamond >>> He is.................................. >>> A diamond is................................... 13, People rumour that Shaun is a smart sheep >>> It is rumoured............................... >>> Shaun is.................................. 14, People report that Shaun was absent fromm school >>> It is reported................................. >>> Shaun is reported.................................. 15, The garage is going to repair our old car next week >>> Our old car is going to be................................... >>> We are going to have the garage................................... >>> We are going to have..................................... 16, We asked the bakers to make a birthday cake >>> The bakers were.................................. >>> We got the................................. >>> We got a...................................... 17, If it........, we'll buy you a coat A. gets B. would get C. will get D. got 18, If I.............., I would take you to the beach A. had had B. have had C. had D. have 19, Were he to come to see me, I...........him my advice A. give B. would give C. will give D. gave 20, If it........, I would not go camping A. rains B has rained C. had rained D. rained 21,The bananas wouldn't have spoiled unless the weather.......hot A. were B. has been C. had been D. is 22, Were we to have enough time, we......to you A. will write B. would write C. can write D. write 23, We will stay at home if it..... A. rain B. rained C. rains D. will rain 24, If my car....... down, I would have had to catch the train A. broke B. had broken C. break D. has broken 25, If he.....that story carefully, he could understand it A. read B. reads C. has read D. will read 26, Were we to have enough time, we...........to you A. will write B. would write C. can write D. write 27, If only my father..........smoke A. do B. did C. doesn't D. didn't 28, If she has time this morning, she........the report A. finish B. would finish C. will finish D. finished 29, If you word hard, you......in the final examination A. had succeeded B. will succeed C. would succeed D. succeeded

Lịch sử 9 : em hãy trình bày phong trào đấu tranh của giai cấp tư sản ( 1919-1925)

Bài 2, 3 nhé 5 sao cho BN nhanh nhất 4 sao cho BN thứ 2