on thi tot nghiep 2009 3

... candles produce carbon monoxide. Therefore, before worring about environmental pollution when going out, we should consider the problems of indoor pollution. 41. Environmental pollution ______________________________________. ... Industrialization and the careless use of natural resources_________________________. A. have good effects on environment B. happen in 1980s C. lead to environment...

Ngày tải lên: 02/08/2013, 01:26

... 9. once/if/at/come/you/press/I/the/button/blue/will a.If you will come at once,I press the blue button b. I press you,the blue button come at once c.If you press the button,I will come at once ... will come at once,you press the blue button 10. Stop/when/will/I/programs/press/the/the/button/red a.When I stop the red button, the programs will press b.When I press the red button, the programs ....

Ngày tải lên: 05/07/2013, 01:27

... -ing to the infinitive. 1) consonant after a short, stressed vowel at the end of the word Double the consonant. sit – he is sitting put - he is putting If the consonant is not stressed, we do ... radio. 2) fixed plan in the near future She is going to Basel on Saturday. 3) temporary actions His father is working in Rome this month. Note: We do use verbs which express states and are normall...

Ngày tải lên: 16/07/2013, 01:26

... to London every Monday. 4) actions in the present - one follows after the other (first - then, after that) First I get up, then I have breakfast. 5) instructions Open your books at page 34 . 6) ... occur, like: every day every week every year on Mondays after school Form of the Simple Present We use the infinitive of the verb. In the 3rd person Singular (he, she, it - or a name) we put ......

Ngày tải lên: 20/07/2013, 01:27

... much as D as much than 33 ._____ were carried out on animals before the drug was tested on humans A Investigation B Research C Experiments D Testing 34 .I didn’t see anyone but I felt as though ... restaurants. A they had often done B they often had done C had they often done D often they had done 29.When was that book_____? A made B produced C published D created 30 .He looked thin, b...

Ngày tải lên: 02/08/2013, 01:26

... employees are less considerate than __( 43) __, so employees have to __(44)__ on the support of their trade union. It is the work of the trade union to improve the working conditions and __(45)__ ... industrialized cuontry, its cities have been also the first to suffer pollution caused by industry. In the 19 th century London’s “pea-soupers”(thick smog) became famous through descriptions in...

Ngày tải lên: 02/08/2013, 01:26

... D. prospect 23. Pick out the word that has stress pattern on the second syllable: A. sanguine B. contrary C. unemployment D. transition 24. Pick out the word that has stress pattern on the first ... stress pattern on the first syllable: A. promotion B. convenient C. delicate D. construction 25. Pick out the word that has the underlined part pronounced differently from the rest: A. time...

Ngày tải lên: 02/08/2013, 01:26

... pt 2 3 .2 1 x x = . Giải Lấy Lơgarit cơ số 3 hai vế , ta được : 2 2 2 2 3 3 3 2 3 3 3 3 2 2 3 3 3 3 .2 1 log (3 .2 ) log 1 log (3 .2 ) 0 log 3 log 2 0 log 2 0 (1 log 2) 0 0 0 0 1 1 log 3 log ... số sau: 1. y = x 3 + 3x 2 - 4 2. y = -x 3 +3x 2 3. y = x 3 + x 2 + 9x 4. y = -2x 3 + 5 5. y = x 3 + 4x 2 + 4x 6. y = x 3 3x + 5 7. y = x 3 3x 2 8. y = x 3 + 3x 2...

Ngày tải lên: 03/08/2013, 01:25

... sự biến thi n và vẽ đồ thị (C). b. Dùng đồ thị (C) , xác định k để phương trình sau có đúng 3 nghiệm phân biệt 3 2 x 3x k 0− + = . Câu II ( 3, 0 điểm ) a. Giải phương trình 3x 4 2x 2 3 9 − − = ... ¤n Thi tốt N GHIỆP THPT . N¨m häc : 2008 - 2009 ĐỀ 1 ( Thời gian làm bài 150 phút ) I . PHẦN CHUNG CHO TẤT CẢ THÍ SINH ( 7 điểm ) Câu I ( 3, 0 điểm ) Cho hàm số 3 2 y x 3x 1= − + − có...

Ngày tải lên: 06/08/2013, 01:26

... Cr 2 O 3 , Cr(OH) 3 (tính lưỡng tính); Cr 3+ (tính oxi hoá và tính khử; phèn crom) - CrO 3 (oxi taxit và tính oxi hoá rất mạnh); CrO và Cr2O (tính oxi hoá mạnh) 3. Sắt: - Vị trí của sắt trong ... CuSO 4 , CuCO 3 ,Cu(OH) 2 . 7. Sơ lược về bạc, vàng, niken, kẽm, thi c, chì. Chương VII. Phân tích hóa học 1. Nhận biết một số ion vô cơ trong dung dịch: - Nhận biết các cation kim...

Ngày tải lên: 06/08/2013, 01:26