Đề tham khảo Anh 9 2
Đề tham khảo THPT lý (2)
... (2) và (3) A. 45 o B. 60 o C. 68 o D. 75 o [Chọn A. Giải: - Khi ánh sáng đi từ (1) vào (2) : n 1 .sini = n 2 .sin r 2 = 2 2 n - Khi ánh sáng đi từ (1) vào (3): n 1 .sini = n 3 .sin r 3 = 3 2 2 ... bằng 60 ? A. 2, 4cm B. 2cm C. 50cm D. 0,2m [Chọn B. Giải: Ta có: 1 2 f G f ∞ = ⇒ 1 2 120 2 60 f f cm G ∞ = = = ]. Câu 40. Một kính hiển vi có tiêu cự vật kính f 1 , thị kính f 2 = 4...
Ngày tải lên: 29/05/2013, 23:19
ĐỀ THAM KHẢO LỚP 9
... -------->) ENGLISH TEST 45 - Grade 9 9Grade 9 ENGLISH TEST 45 - Grade 9 9Grade 9 ENGLISH TEST 45 - Grade 9 9Grade 9 ENGLISH TEST 45 - Grade 9 9Grade 9 I- Choose the best answer to complete ... _______________________________________________________________________________ ENGLISH TEST 45’ - Grade 9 9Grade 9 ENGLISH TEST 45’ - Grade 9 9Grade 9 I- Make a cross (or cir...
Ngày tải lên: 24/06/2013, 01:28
ĐỀ THAM KHẢO TOÁN SỐ 2- GKII
... 110 25 , 140 120 , 100 99 , 73 72 , 18 15 , 10 8 , 5 4 , 2 1 -Phỏn sọỳ tọỳigiaớn l : -Ruùt goỹn phỏn sọỳ coỡn laỷi l : : ... 2/ i cỏc n v o din tớch : 20 6 m 2 = ..dm 2 4 m 2 6 dm 2 = ..dm 2 ... m 2 6 dm 2 = ..dm 2 3800 cm 2 = .dm 2 5007cm 2 = dm 2 ..cm 2 3/ Tớnh : a/ =ì 3 2 : 9 4 8 5 b/ =+ 8 6 : 5 4 23 21 4/ Tỡm trung bỡnh cng ca ba s : . 6 1 ; 4 3 ; 2...
Ngày tải lên: 08/07/2013, 01:25
DE THAM KHAO ANH 6 HKII- 2009
... 25 . He likes ____________ coffee very much.( ice) 26 . She is very ____________. (beauty) 27 . ____________ they are going to visit the citadel. (final) 28 . I go ____________ every day.(jog) 29 . ... . They all love sports . 21 . _____ Phong and Nam are in the same class . 22 . _____ Their house is near their school . 23 . _____ They go to school in the afternoon . 24 . _____ Phong...
Ngày tải lên: 07/08/2013, 01:25
Đề tham khảo Anh 6_2
... big but my room isn’t. My room is on the ( 19) __________ floor. (20 )____________ my room, there is a door and a window. (21 ) __________ is an old table (22 )___________ there are two chairs. There ... much. 17. A. am B. is C. are 18. A. My B. I C. Me 19. A. second B. two C. the second 20 . A. on B. in C. at 21 . A. These B. There C. They 22 . a. but B. and C. too Question V: (1pt)Read t...
Ngày tải lên: 25/10/2013, 18:11
Đề tham khảo Anh 8_1
... thaûm 19. The room isn’t big enough to hold all of her books. __________ 20 . The writer has a pretty carpet. __________ 21 . The writer is lazy to arrange her new house neatly. __________ 22 . Her ... forty-five 4. What is her address? a. Number 23 , 51 st Street b. Number 51, 23 rd Street c. Number 23 , 15 th Street d. Number 51, 1 st Street Question II (2. 5pts): Choose the correct a...
Ngày tải lên: 25/10/2013, 18:11
Đề tham khảo Anh 6_1
... floor. ( 19) ____________ my room, there is a door (20 ) ____________ a window. There is (21 ) __________ old table and there are two chairs. There are some books on the table. On the (22 )___________, ... much. 17. A. These B. There C. They 18. A. am B. is C. are 19. A. on B. in C. at 20 . A. but B. too C. and 21 . A. one B. an C. both a and b 22 . a. floor B. table C. chair Question V: (...
Ngày tải lên: 25/10/2013, 18:11
Đề tham khảo Anh 7_1
... best answer to fit each space 23 .A. am B. is C. are 24 .A. newspaper B. computer C. book 25 .A. in B. on C. at 26 .A. has B. travels C. is 27 .A. home B. work C. guitar 28 .A. In B. To C. At VI. Read ... kitchen? …………………………………………………………………………………………………………… 22 .Let’s go to the movies! …………………………………………………………………………………………………………… V. Read the following cloze (1.5pts) My brother (23 )_____ a...
Ngày tải lên: 04/11/2013, 16:11