Hình vuông ABCD có A = D = 90 độ, đường chéo BD vuông góc BC và BD = BC a) Tính các góc trong hình thang b) Biết AB = 3cm. Tính BC và CD

Tính nhanh nếu có thể giúp em với ah

Quãng đường từ A đến B dài 12 km .Trên bản đồ tỉ lệ 1 m : 100 000, quãng đường đó dài bao nhiêu cm ?

qua văn bản Đêm nay bác không ngủ Em hãy viết một đoạn văn nêu cảm nhận của em về tình cảm của Bác Hồ dành cho các anh đội viên trong đoạn văn có sử dụng câu trần thuật đơn có từ là

Chuyển chủ động thành bị động, giúp với nha cả nhà

Viết kết quả phép nhân sau dạng lũy thừa của 17: 173 x 174 =

Làm cách nhanh nhất, không cần giải thích. Hòa tan hoàn toàn 2,92g hh X gồm Na, Ba, BaO, Na2O trong nước dư, sau phản ứng thu được dd Y 200ml ( trong đó nồng độ Ba(OH)2 là 0,05 M) và thoát ra 0,224 l H2( đktc), Tính Cm của NaOH trong Y

REVISION: S-V,comparison, Qs tag, word form, quantifier BT trg PP cap 2, 40 câu 1 Math not easy at all. A. is B. are C. am D. all are correct 2 Alida, my closest friend, pregnant. A. has just got B. have just got C. just has got D. just have got 3 Most of football players coming now. A. was B. were C. is D. are 4 The old help. A. needs B. need C. needing D. all are correct 5 One billion dollars not enough for the victims of the famine last year. A. was B. were C. is D. are 6 Fifty percent of the milk sold since yesterday morning. A. was B. were C. has been D. have been 7 Albert with his friend here now. A. is B. are C. was D. were 8 Several sheep grass now. A. is eating B. are eating C. eats D. eat 9 “Prison Break” my most favourite film. A. is B. are C. was D. were 10 If anyone , tell him I’ll be back later. A. was calling B. called C. calls D. call 11 Both Dan and Joey the exam. A. pass B. passes C. passing D. are passed 12 Three forths of all the money already been spent for this campaign. A. has B. have C. is D. are 13 Fiona as well as her mother there two weeks ago. A. is B. are C. was D. were 14 What I am asking about the missing girl’s appearance. A. are B. is C. being D. a and b are correct 15 The number of citizens in this town . A. increase B. increases C. is increased D. are increased 16 Either you or she for this book. A. payed B. pay C. paying D. pays 17 Neither the directors nor the accountant to leave yet. A. wants B. want C. are wanting D. is wanting 18 Skateboarding my passion. A. is B. are C. being D. all are correct 19 Each of the kids across the playground at every break time. A. hop B. hops C. is hopping D. had hopped 20 Homework an important part of learning English, Maths or every other subjects at school. A. are B. is C. was D. were 21. We were talking about the preservation of resources A. nature B. natural C. naturally D. naturalize 22.All of us must take part in deforestation A. preventing B. prevent C. prevented D. to prevent 23.If I am , what will happen? A. success B. successful C. succeed D. succesfully 24.The restaurant has excellent for serving some of the finest food. A. repute B. reputed C. reputation D. reputable 25.It’s great if we can practice speaking English with speakers. A. nation B. national C. native D. natively 26.The little girl laughed when her mother told her a funny story. A. happy B. happiness C. unhappy D. happily 27.As a leader, you need to be more . A. decide B. decision C. decisive D. decided 28.Zooey, can I have sugar, please? A. any B. some C. much D. little 29. people I know are worried about the environment here. A. Most B. Most of C. Much D. The much 30.Peter says he doesn’t see A. somebody B. everybody C. anybody D. nobody 31. She cannot sing as me but she can play the violin excellently. A. as well B. so well C. well D. A&B are correct 32 Jack is now than he used to be. A. happy B. happier C. happiest D. happyer 33. In Viet Nam, it is normally in the South than in the North. A. hot B. hotter C. hottest D. hoter 34. Gregg is student in his class. A. smart B. smarter C. smartest D. the smartest 35. John can speak English than Min Jun. A. more fluent B. fluently C. fluent D. more fluently 36. Detective books are than science fiction ones. A. more interesting B. interestingly C. interestinger D. interesting 37. You’ll be home before midnight, ______? A. will you B .won’t you C. are you D. won’t you be 38. David is bringing some wine, ______? A. is he B. isn’t he C. is David D. isn’t David 39. The children can read English, __________? A. can’t they B. can they C. they can D. they can’t 40. Your grandfather was a millionaire, ______? A. was he B. is he C. wasn’t he D. isn’t he giải họ vs ạ đnag cần gấp

so sánh về thành tựu kinh tế, văn hóa của Giao Châu với Cham-pa . Giải thích tại sao lại có sự khác biệt về những thành tựu đó

cho a,b>0 thỏa mãn a*b=4 a,tìm GTNN của P= $\frac{1}{1+a}$ + $\frac{1}{b+1}$ b,hỏi P đạt GTNN khi nào