Giải phương trình a) (x^2 + 2x +1) - 9 = 0 b) x^3 - 1 = x (x - 1)

Test 1 Ex1 2. They have little money. They are happy (despite) 3. We had planned to walk right round the lake. The heavy rain made this impossible. (although) 4. I got very wet in the rain. I had an umbrella. (although) IV. Choose the word which has a different stress pattern from the others. 1. A. hotel B. chimney C. future D. petrol 2. A. population B. uncomfortable C. overcrowded D. celebration 3. A. peaceful B. wealthy C. diverse D. labour 4. A. direct B. affect C. open D. renew 5. A. succeed B. happen C. replace D. attend 6. A. reward B. country C. samba D. music 7. A. helicopter B. entertainment C. superstitious D. documentary 8. A. perform B. order C. receive D. rehearse V.Complete the following passage by choosing the best option, A, B, C or D. Energy is very important in our modern life. People use energy (1)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (2) ________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (3) ________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (4) ________ all the fossil fuels in the near future. 1.A. in B. for C. at D. by 2.A. Most B. Mostly C. almost D. Utmost 3.A Because B. Moreover C. Therefore D. However 4.A. use up B. run on C. take over D. cut off TEST 4 I: Choose the correct option A, B, C or D to complete the sentences. 1. This is Linda’s hat, and those shoes are _____________. A. our B. hers C. her D. their 2. It will be ______________ to ride a jet pack in bad weather because it doesn’t have a roof. A. comfortable B. pleasant C. unpleasant D. enjoyable 3. A sky safety system can help cars to ___________ traffic jams and crashes. A. use B. have C. prevent D. take 4. The white cat is Helen’s, and the black cat is ______________. A. I B. my C. mine D. of mine 5. We try to make the future green by using vehicles or kinds of energy that are __________. A. environmentally friendly C. environment friendly B. environmentally friendship D. environmental friendly 6. Skycycling tubes will be easy_____________. A. ride B. to drive C. drive D. to ride 7. I think we ____________ have electric taxis very soon. A. may B. might C. will D. would 8. With teleportation, you disappear at a place, and then _____ in another place seconds later. A. reappear B. reappears C. appears D. appeared 9. Every day over 1,000 new cars add to the city and the city of over 20 million people is getting more and more ___________. A. difficult B. famous C. expensive D. gridlocked 10. My brother and I often come to school _________ foot. A. at B. in C. by D. on 11. With the Segway, the driver pulls the handle to go back or pushed it to go _______. A. fly B. forward C. round D. backward 12. The Segway, which is a __________ vehicle, will be a success. A. two-wheels B. two wheels C. two wheel D. two-wheeled 13. Do you think the ___________ price will increase next month? A. gases B. fossil fuel C. fuel D. natural gases 14. People won’t use flying cars __________ the year 2050. A. after B. before C. during D. until 15. Which _____________ of transport do you think will be used in the future? A. mean B. means C. meanings D. meaning 16. . A jet pack doesn’t __________ a lot of space. A. occur B. bring C. take D. have 17. The city is facing serious ___________ problems. A. pollution B. polluted C. pollute D. pollutant 18. We will use more ___________ energy in the future. A. sun B. sunny C. solar D. sunlight 19. We are looking for types of vehicles that help us to avoid __________. A. walking B. traffic jams C. rush hours D. traffic 20. We believe that urban transport pods can travel ________ around 30kph. A. in B. at C. with D. on

giúp mik vs ạ đag gấp mai nộp òi huhu😢

Giải hộ mình nha cảm ơn nữa nha

Cho tam giác ABC cân tại A, tia phân giác góc A cắt BC tại D. a. Chứng minh DB = DC. b. Kẻ DH AB (H AB), DK AC (K AC). Chứng minh tam giác DHK cân. c. Chứng minh HK // BC.

Imagine you were a principal of a school. You want to organize a 3-day tour for your students to some places. Write a schedule for the tour to send them. You may write it yourself or you may base on some questions: - Which places do you want to visit? - What time does the bus/ the train arrive in those places? - What activities will you do in each space?

Các bạn ơi! Mình luôn muốn đc gia nhập BĐHH nhưng ko đủ điều kiện Vậy bạn nào đã hoặc đang trong BDHH có thể cho mik biết tính cách của các bạn trong Top 15 BđHH và vài bạn Mod này đc ko ạ? Mong Ad ko xoá Top 15 BđHH 1 mthl1234 2 truongtiennhat 3 vandat13012006 4 ngtoanphuoc37 5 nhianh2006 6 thehung0901 7 TPKhanh 8 maiyeutuyensinh 9 phongnguyen 10 Kunchan 11 quangvinh200720 12 quynhphuonganh1 13 nganthai404 14 laithiemtruong 15 daonhatvy 16 Valerie 17 nguyentrietpham 18 dangquang1701 19 thanhthien 20 jenny2710 Và 5 Mod : + Quangcuong347 + Yonnii + LI_2k5 + phamngoclinh462006 + Phanhuyduong

😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘 cả 2 bài vẽ hình nữa nhé

Mọi người ơi,giúp minh với ạ :Lập dàn ý thuyết minh về danh lam thắng cảnh

1/ Adjective or adverb 1. The old man walked ...........................to the park. (slow) 2. The children seemed very ...............................before the final exam. (nervous) 3. They lived in the countryside .......................................( happy) 4. Hoa was ...............................pleased that she got an A for her assignment. ( extreme) 5. I hate him because he behaves ......................... ( friend ) 2/ + Adverb clause of reason . ( because , since , as ) + Conditional sentences type 1 + Adjective + that clause 1. Ba is tired . He stayed up late watching TV. ( because) 2. I was careless. I broke the cup . ( as) 3. I want to go home . I feel sick . ( since ) 4. She / surprised / am / hasn’t / I / that / phoned . ( rearrange ) 5. If it is raining this evening , I .........................out . ( don’t go / won’t go / go ) 6. If she ( have ) .........................his telephone number , she will phone him . 7. Ask Mai to come and see me if you ..............her . ( meet / will meet / met/ can meet) 8. I ‘ve looked ..............my pen everywhere and I can’t find it anywhere. ( preposition)