em hãy nêu suy nghĩ về hiện tượng nghĩ facebook trong giới trẻ hiện nay

có ▲ABC có MN//BC. Gọi I là tđiểm của BC, K là giao điểm của AI và MN. Cm MK=NK

Một mảnh vườn hình chữ nhật có chiều dài 82cm chiều rộng bằng 4/5chiều dài. Trên mảnh đất người ta dành ra 30%diện tích để trồng cam 45%diện tích trồng táo, phần còn lại để trồng ổi. Tính diện tích trồng cam diện tích trồng táo diện tích trồng ổi

Một ca nô chạy trên một khúc sông, xuôi dòng 20km rồi ngược dòng 18km hết 1 giờ 25 phút. Lần khác, ca nô đi xuôi dòng 15km rồi ngược dòng 24km thì hết 1 giờ 30 phút. Tính vận tốc riêng của ca nô và vận tốc của dòng nước.

Cho n tia chung gốc tạo thành 153 góc. Tính n

Lam the nao biet 1 vật có nhiên dien hay khong

bài 10 ạ kẻ bảng r mới gọi r mới đưa ra pt ạ ps em chưa học hệ pt ạ

Tính diện tích hình thang abcd biết : a^=d^=90° ,ab=3cm,bc=5cm, và cd=6cm

I. Find the word which has a different sound in the part underlined. 1. A. police B. advice C. nice D. price 2. A. books B. rulers C. sinks D. toilets 3. A. those B. than C. mother D. thin 4. A. brushes B. drives C. classes D. washes II. Odd one out: 5. A. sleeping bag B. island C. mountain D. desert 6. A. good B. large C. comfortable D. historic 7. A. biggest B. longest C. fattest D. slimmest 8. A. history B. literature C. math D. homework III. Choose the best answer: 9. We should………………our house before Tet. A. clean B. cleaning D. to clean D. cleans 10. I …………………… banh chung this year. A. is making B. make C. making D. won’t make 11What ……….. your brother ………………..now? A. is…doing B. are…. doing C. will do D. does… do 12. The Pacific Ocean is ________ ocean in the world. A. big B. the biggest C. the bigest D. bigger 13. My head hurts. I need to take a ……… A. sun cream B. backpack C. walking boots D. painkiller 14. She is always… at school. She spends most of the time studying A. hard-working B. careful C. lazy D. funny 15. The clock is… the wall, … the two pictures A. on/in B. in/between C. on/between D. under/between 16. Children … arrive class on time A. must B. mustn’t C. must to D. mustn’t to 17. “…..” -> She is tall, with long black hair and white skin A. What is your sister like? B. What does your sister look like? C. How is your sister? D. What does your sister like? 18- We ................ play football on the street. A- should B- must C- don't D- mustn't 19- Fansipan is .................. than Mount Everest. A- Short B- shortest C- the shorter D- shorter 20- It is ...........hot at noon here. A-more B- very C- many D-a lot 21- ......... you repeat that , please? A- Do B- Are C- Can D- Shall 22- Where .............. we go first? A- shall B- are C- cans D- does 23- The country is not noisy. It is ..................... A- noise B- noisier C-quiet D-quieter 24- There is one thing I ............ about it. There is a polluted river here. A- like B- dislike C- enjoy D- love IV. Choose the correct answer A, B, C or D to complete the passage: Ha Long Bay is in Quang Ninh Province. It has many (25) ……….. and caves. The islands are named after things around us. You must (26) ……….. a boat ride around the islands – it’s essential! Tuan Chau is the (27) ……….. island in Ha Long Bay. There you can enjoy great Vietnamese seafood. You can watch (28) ……….. dance. You can join exciting activities. Ha Long Bay is Vietnam’s most beautiful natural wonder. 25. A. rock B. islands C. island D. lakes 26. A. take B. taking C. to take D. to taking 27. A. bigest B. big C. bigger D. biggest 28 A. historic B. good C. traditional D. difficult V. Read the passage and choose the best answer for the questions: Hi! I am Vinh. I come from Da Nang,Viet Nam. I like English and I go to English club everyday. My friends like English, too. It is very interesting to learn English. My English teacher is great and funny. She always makes our English lessons new and different. A lot of tourists come to Da Nang every year, so we have more chances to practice our English. This Saturday I am going to Han River with my parents to watch the international firework competition. I hope I will meet many English people there. 29.Which subject does Vinh like ? A. I like English B. He likes English C. He likes Art D. He likes English club 30. What does he do every day? A. He goes to English club everyday. B.He meets many English people C. I go to English club everyday. D. He goes to Han River with his parents to watch the international firework competition. 31. IsVinh going to watch the international firework competition this Saturday? A. No, he doesn’t B. Yes, he does C. No he isn’t D. Yes, he is 32. How is his English teacher? A.She is great and funny. B. She is great and generous. C. She is friendly and patient. D. He is great and funny.

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