... ααααααcos3cos43cos)sin4sin33sin)33−=−=db Bài 11: Chứng minh các đẳng thức sau:4 ( )αααααααααtan2cos2sin12cos2sin1)cos2sin2cos1sin)=++−+=+ca ααππαα2sin 2 23 2 cos3coscos) 22 2=−+−+bb/ ... sau: ( )( ) 12 213 2 )01 23 )−−≤++≤+−−xxxxcxxxa 12 51 2 ) 2 12 13)−≤−−≤++−xxdxxb Bài 3: giải các bất phương trình ( )( )054 3103 )0 124 5) 2 2>−+−≤++−xxxcxxa ... TRƯỜNG PTTH LANG CHÁNH ĐỀ CƯƠNG ÔNTẬPHỌCKÌ 2 NĂM HỌC 20 08 - 20 09MÔN TOÁN 10 I. Phần chung cho tất cả học sinh1. Đại số1. 1 Bất phương trìnha. Về lý thuyết - Các định lí về dấu của...
... chưa 100 cm3 không khí ở nhiệt độ 27 00 C và áp suất là 105 Pa. Tính ápsuất của không khí trong bình khi không không khí bị nén xuống còn 20 cm3 và nhiệt độ tănglên tới 3900. Bộ môn vật ... trên được quãng đường 100 0 m.g=10m/s 2 Đ/S. -10 -6 Câu10: Một gàu nước khối lượng 10 Kg được kéo đều lên cao 5m trong khoảng thời gian 1 phút 40 giây. Lấy g=10m/s 2 . Công suất trung bình của ... nặng 2 kg ở đáy 1 giếng sâu 10m so với mặt đất tại nơi có gia tốcg=10m/s 2 là bao nhiêu? Đ/s. -20 0J Câu 12: Một vật có khối lượng 500g rơi tự do từ độ cao Z= 100 m xuống đất, lấy g =10m/s 2 ....
... said :” The bus broke down.” 20 “ If the boys do anything clever, you call them your son.” Complained his wife.” But if they do any thing stupid, you call hem mine” 21 “ Let’s have a rest .” said ... home next week”Exercise 2: Turn these sentences into direct.1.He said he was very sorry for the mistakes he has made. 2. My father told me that I could go to the seaside this summer.3. He said ... headmaster?8. Is the food good?9. Were your own boys happy at school? 10. Do they teach music?11. Are they happy at school? 12. Are they taught to swim?13. Is there a post office near here?14....
... Have you ?Exercise2 : Write the following sentences . Use the double comparative form of the adjectives or adverbs in parentheses.1. The teacher is asking(difficult )questions. 2. My brother is ... dinner.7. The weather is getting (wet) this week.8. His wife eats too much . She is getting (fat).9. The teacher has lots of work. She gets (busy) every day. 10. Her son’s behaviors is getting ... sentences . Use the double comparative clause.1 He work little, he will be paid little. 2 He drank a lot, He was thirsty.3. He talk much. I became bored.4. I waited long. I get angry.5. You are...
... payment. 20 .I’m sorry that you didn’t come to the party.If you( come), you (have) a good time.Exercises 3: Complete the sentences using If or unless 1. He will come you ring the bell.………………… 2. ... should.1. Had you waited, he would have come. 2. Should he refuse you, let me know it at once.3. Were he an honorable man, he could not behave this.4. Should you se him, remember me to him, ... would succeed at it.Exercises 4: Supply the correct verbs form1. You can go everywhere you (like) 2. I ‘m going to the country tomorrow, If it (be)fine.3. He wouldn’t treat you unkindly provided...
... good.A.news B.foresee C.forecast D.foreman9.Freedom is something for …………………millions have given their lives.A.which B.that C.whom D.whose 10. He is always polite and…………………towards his employees.A.priority ... sound is pronounced differently from that of the other three:1.A.reach B.seat C.weather D.between 2. Adistinguished B.wicked C.collapsed D.laughedB.Choose the word main stress pattert is not the ... D.considerate11.Those buckets must be filled………………………water for future use.A.into B.on C.with D.by 12 …………Easter,many children and adults enjoy painting eggs.A.on B.at C.for D.inIII.Choose the correct...
... rackets 7. Winter 8. 078 92 334 821 9. London 10. 5438900 67 521 Part 2: (5 câu x 0,1 = 0,5 điểm)1. A 2. C 3. C 4. A 5. BPart 3: (10 câu x 0,1 = 1 điểm)1. (the) green bus 2. west 3. (the) dolphins ... 9. B 10. CPart 2: (10 câu x 0,15 = 1,5 điểm)1. stress 2. in / during 3. Even 4. instead 5. who / that6. themselves 7. at 8. how 9. suffer 10. thePart 3: (10 câu x 0,15 = 1,5 điểm)1. D 2. C ... only thing 82. House prices have risen dramatically this year.→ There has been 83. I can’t understand how this new computer works. → This new computer works 84. She didn’t inherit anything...