KT45''''''''HKII
KT45'''' bài sô 3 HKII. (tham khảo)
... CO, Cr 2 O 3 , Al 2 O 3 . Câu 3. Trong các dãy oxit sau dãy nào chỉ toàn oxit bazo? a. Fe 2 O 3 , FeO, Cr 2 O 3 , CaO. b. Cr 2 O 3 , SO 3 , Al 2 O 3 , Mn 2 O 7 . c. Na 2 O, MnO 2 , SO 3 , P 2 O 5 d. ... đốt cháy? b. Tính khối lượng KClO 3 cần dừng, nếu dùng KClO 3 để điều chế lượng oxi trên. (Ca = 40; Cl = 35 .5; O = 16; K = 39 ) Kiểm Tra Viết 45’ (bài số 3, đề 2) Mô...
Ngày tải lên: 22/07/2013, 01:25
Đap an đề KT45'''' Hinh 10NC ( HKII-tiet 31)
... = = = 4 2 1 c b a )(C có tâm I ( 1;2), Bán kính R = 34) 2(1 2 =++ Cách 2 : PT đờng tròn (x + 1) 2 + (y 2) 2 = 9 (C) có tâm I ( 1;2), Bán kính R = 3 2) ã Gọi là đờng thẳng đi qua M (2 ; ... = = −= ⇔ 1 2 1 c b a )(C ⇒ cã tâm I (1 ; 2), Bán kính R = 2121 2 =+ Cách 2 : PT đờng tròn (x 1) 2 + (y + 2) 2 = 4 (C) có tâm I (1...
Ngày tải lên: 02/08/2013, 01:26
Đáp án đề KT45'''' Hinh 11NC ( HKII -Tiet 41)
... (ABCD) ⇒ SA ⊥ BD (3 ) AC ⊥ BD (gt) (4 ) Tõ (3 ) và (4 ) BD (SAC) 2) Ta có MN là đờng trung bình SBD MN // BD (5 ) Mà BD (SAC) (Câu 1) (6 ) Từ (5 ) và (6 ) MN (SAC) MN SC 3) Ta có: ( ) BD.AM BD.AM BD,AM = cos Mà ... // (B D C) Bài 2 4,5 điểm Vẽ đúng hình vẽ cơ bản (hình 1) Hình 1 Hình 2 C S A D B N M C S A D B 1) Ta có: BC AB (gt) (1 ) SA (ABCD) BC SA (2...
Ngày tải lên: 03/08/2013, 01:26
Bài soạn HKII- K12- KT45'''' Lan3- co Dap an
... the plants die, and the land becomes desert. In developing countries, 90 percent of the people use wood for cooking and heat. They cut down trees for firewood. But trees are important. They cool ... land under them and keep the sun off smaller plants. When leaves fall from a tree, they make the land richer. When the trees are gone, the smaller plants die, and the land becomes desert. Humans ....
Ngày tải lên: 03/12/2013, 12:11
KT45''''-Anh9 lần 2 HKII- de 1
... nhỏ - hill (n): ngọn đồi *Choose true (T) or false (F): (1m) 1. They moved out of the city slowly because the traffic was terrible. ( ) 2. They didn’t bring enough food with them. ( ) 3. They ... Celebrations start properly on 24 December, Christmas Eve, although there have been several weeks of preparation beforehand. The Christmas tree and all the presents, food, drinks, and decoration...
Ngày tải lên: 03/07/2014, 05:00
KT45''''-Anh 8- Lần 2 HKII- de 1
... built as a tomb of Paraoh Cheops in 27 20 BC. Although it was built a long time ago, its construction makes it one of the true wonder of the world. The four sides of the Pyramid are put almost ... built as a church of Paraoh Cheops. ……… 2. The four sides of the Pyramid are put on true north, south, east and west. ……… II. Answer the questions: ( 1. 5ms) 1. When was the Great Pyramid of...
Ngày tải lên: 03/07/2014, 05:00
KT45''''-Anh 8- Lần 2 HKII- de 2
... built as a tomb of Paraoh Cheops in 27 20 BC. Although it was built a long time ago, its construction makes it one of the true wonder of the world. The four sides of the Pyramid are put almost exactly ... Paraoh Cheops. ……… 2. We don’t know exactly who built the Pyramid.……… II. Answer the questions: ( 1.5ms) 1. Where are four sides of the Pyramid put ? ->……………………………………………………………………… 2....
Ngày tải lên: 03/07/2014, 05:00
KT45''''- Anh 6- lần 2 HKII-de 1
... correct). 1. am playing 2. go 3. does 4. is not watching III. (0 ,25 m for each correct). 1. b 2. c 3.d 4.a C. Reading: I.(0 ,25 m for each correct). 1. T 2. F 3.T 4.F II. (0,5m for each correct). 1. ... Answers: 1 A. Listening: (0 ,25 m for each correct). 1. summer 2. visit 3. stay 4. long 5. for 6. do B. Language focus: I. (0 ,25 m for each correct). 1. c 2. a 3. b 4. d 5....
Ngày tải lên: 03/07/2014, 05:00
KT45''''-Anh 6- lan 2 HKII-de 2
... Answers: 2 A. Listening: (0 ,25 m for each correct). 1. summer 2. visit 3. stay 4. long 5. for 6. do B. Language focus: I.(0 ,25 m for each correct). 1. a 2. b 3. c 4. c 5. a 6. c II. (0 ,25 m for ... each correct). 1. plays 2. goes 3. is not watching 4. is going to visit III. (0 ,25 m for each correct). 1. b 2. c 3.d 4.a C. Reading: I.(0 ,25 m for each correct). 1. F 2. T 3.F...
Ngày tải lên: 03/07/2014, 05:00
Bai KT45'''' số2.2 - HKII - Lơp11(tự luận-tuyệt)
... uncle, who is an accomplished guitarist, taught me how to play it. A. well-trained B. well-done C. well-educated D. well-equipped 6. Over 51 per cent of households have two or more television sets. A. ... Make meaningful sentences with the cues given (0.5) 19. My stamp collection/ began/ I/ was/ 11-year-old boy. …………………………………………………………………………………………… 20. I/ loved/ pictures/ and/ kept them/ caref...
Ngày tải lên: 27/01/2015, 13:00