... húa, nha phenolfomandehit, polistiren, nhng phõn t polime cú cõu to mch nhỏnh v mng l: A Xenluloz, amilopectin, polistiren B Amilopectin, cao su lu húa, nha phenolfomandehit C Polistiren, polivinyl ... ngun gc xenluloz l: A Si bụng, t tm, t nilon 6,6 B T tm, len, t visco C Si bụng, t visco, t capron D T axetat, si bụng, t visco Cõu 17: Khi un núng hn hp gm cỏc ng phõn aminoaxit ca C3H7O2N, ... T capron l mt loi A t axetat B t visco C t poliamit D t polieste Cõu 46 Dóy gm cỏc cht u tỏc dng vi dung dch Ag 2O/NH3 l A axetandehit, butin -1, eten B axetandehit, butin -2, etin C natri fomiat,...
... AM OE, BM OF P Q Tứ giác MPOQ hình gì? Tại sao? c/ Kẻ MH vng góc với AB (H thuộc AB) Gọi K giao điểm MH EB So sánh MK với KH d/ Cho AB = 2R gọi r bán kính đường tròn nội tiếp tam giác EOF Hãy chứng ... nội tiếp Tính tích OH.OA theo R b) Gọi E hình chiếu điểm C đường kính BD đường tròn (O) Chứng minh góc HBE = góc HAB c) AD cắt CE K Chứng minh K trung điểm CE d) Tính theo R diện tích hình giới ... N C/m: AM = AF.AE c) C/m: I trung điểm BM d) Cho OM = R Tính diện tích tam giác ABM độ dài AE theo R PHỊNG GD-ĐT QUẬN Trường THCS Kiến Thiết ĐỀ THAM KHẢO THI TUYỂN SINH LỚP 10 NĂM HỌC 2010-2011...
... isthe best method to adopt (environment) VI Read the advertisement and then decide whether the statements that follow are True or False Today, when English is one ofthe major languages in the ... important by the other nations of Europe, and was unknown to the rest ofthe world English has become a world language because of its establishment as a mother tongue outside England, in all the continents ... Chinese isthe language with more speakers than English, but it only the language for more than one billion Chinese people, English isthe official language on one-fifth ofthe land area (27)...
... glass is often shaped by machine d Both Band C 65 The passage primarily discusses a champagne, a kind of wine b the uses of glass c the types of glass products d the ways of making glass Arrange the ... Champagne isthe king that drinks lots of wine c Champagne isthe best wine andis made for kings d Champagne isthe best wine made by kings 62 According to the passage, a the only way glass is ... don't they b aren't they c are they d they 43 The beach is always crowded at this time ofthe year There to put your towel down! a are no rooms c is no room b are no room d is room 44 The children's...
... French, the word forthe city of Genoa andforthe people from that city is Genes, this name became attached to the trousers and developed into the word jeans Similar to the word jeans, the word ... the job of driving, patience and courtesy Together, these become (43) is generally known as the drivers attitude (44) _, every driver must make a real effort to develop these qualities and ... mustnt 32 When his alarm went off, he shut it off and slept for ……… 15 minutes A other B others C another D the others 33 A few months ago I moved into a very small flat after …… for years with...
... French, the word forthe city of Genoa andforthe people from that city is Genes, this name became attached to the trousers and developed into the word jeans Similar to the word jeans, the word ... the job of driving, patience and courtesy Together, these become (43) is generally known as the drivers attitude (44) _, every driver must make a real effort to develop these qualities and ... out” You ………go in there A dont have to B havent got to C neednt D mustnt 32 When his alarm went off, he shut it off and slept for ……… 15 minutes A other B others C another D the others 33 A few...
... orderof difficult B in orderof difficulty C in orderly difficult D in theorderof difficulty 55 The success ofthe play was due to A the actors and how it was produced B the acting andthe ... the actors and its production D how they acted andthe production Choose the correct sentence which has thesame meaning as the given one: 56 It is a pity you didn't tell us about this A I wish ... us about this B I wish you would tell us about this C I wish you had told us about this D I wish you would have told us about this 57 I've never gone to the car wash before A This isthe first...
... available on the cheapest (86) andthe irresistible (87) ofthe car to consumer did the rest The result was a complete (88) of American life The car began to break (89) the ancient ... whereas become basically indicates development of some kind Get is more informal andis frequently used in speech; become is more formal andis more often used in writing Get / become + adjective ... efficient D affect 32 'Thenumberof tourists travelling to Britain this year has not been by the strength ofthe pound.' A affective B effective c efficient D affected 33 'The tablets which he...
... = a ( x ) y y y a +2a ( x ) = xa + a +a ( x ) 4 Từ (1): VCO2 = xa , VH2O = V O2 p = VO2 d Theo gt: Vhh đầu = V hh sau a = y/4.a (0,25điểm) y = Ngưng tụ nước: %VH2O = 40% VH2O = 0,4(a + 2ax ... = x1 (0,5điểm) (x-x1) , (y-y1) số mol Aldư, Zn dư (I ) (0,25điểm) p Từ (2): n ZnCl = nZn = y1 p Theo gt, ta có: 27(x-x1)+65(y-y1)+ 133,5x1 + 136y1= 65,45 27x +65y + 106,5x1+ 71y1 = 65,45 1,5x1 ... 1mol Đặt a số mol CuO phản ứng 80 n CuO = (1 – a)mol d Từ (5): n Cu = n H = n CuO = a mol 2p p Theo gt, ta có: 80(1-a ) + 64 a = 72,32 a = 0,48 mol Do lượng H2 phản ứng 80%, nên: n H = (0,48.100)/...
... (0,25điểm) Gọi x số mol A Từ (1): n CO2 = xa mol m CO2 = 44ax gam (1) n m H2O = 9ay gam H2O = y/2amol Theo gt: mCO2 44ax 4,888 x y mH 2O 9ay (0,25điểm) Tacó MA = 78 12x + y = 78 x = y = 6:...
... hop? neu nguyen tac thu thai theo pp SV va cac dk de chon tho thich hop? cac yeu to lam tang duong huyet? trinh bay ve truong luc co? the nao la phan xa tu the chinh the? duong cong starling? anh ... Đường thần kinh hướng tâm: sợi cảm giác theo rễ sau tủy sống 3) Trung khu thần kinh: thần kinh trung ương (não tủy sống) 4) Đường thần kinh ly tâm: sợi vận động theo rễ trước tủy sống 5) Cơ quan đáp ... độc hại Đánh giá NC, Tiên lượng trước phẫu thuật Theo dõi điều trị : thuốc GPQ, Steroid điều trị hen, bệnh phổi mô kẽ, xơ nang, bệnh thần kinh cơ… Theo dõi tác dụng phụ thuốc có độc tính phổi :...
... trưởng phải khoảng 10 năm để rèn luyện hoàn thiện kỹ nấu nướng Andrew Duff lại tiến xa trở thành đầu bếp trưởng trẻ Scotland 16 tuổi Andrew bắt đầu nấu ăn 12 tuổi Đầu tháng này, ăn cậu gây ấn tượng ... ngồi Khi mẹ em bé hỏi em trò chuyện với ông ấy, cậu bé trả lời: "Không có đâu Con để ông khóc." (Theo "Phép màu nhiệm đời" - NXB Trẻ, 2005) Câu 2: (5 điểm) Sự khám phá thể vẻ đẹp tình cảm gia đình ... gắn liền với tương lai quan trọng Rất học sinh hướng đến môn khoa học xã hội (Đặc biệt môn Văn) Theo em, văn chương khoa học lĩnh vưc quan trọng hơn? Hãy viết văn nghị luận ngắn (khoảng trang...
... unlimited supply of them However, this definition may change if people are not careful with the consuming of these resources The quality of solar energy that reaches the earth may depends on the atmosphere ... atmosphere If the atmosphere is polluted, the solar energy reaching the earth may be dangerous If life is about to continue, the air must contains the appropriate amount of N2, O2, CO2 and other gases ... want………………care of as if I were a child (take) 32 He was made…………… for nothing (work) VII Rewrite each ofthe following sentences in another way so that is means almost thesame as the sentence printed before...