Đề thi chọn học sinh giỏi thi huyện

... HƯỚNG DẨN CHẤM THI CHỌN HỌC SINH GIỎI LỚP MÔN HOÁ HỌC Khoá ngày 04 tháng năm 2008 CÂU Câu Câu BÀI LÀM Cho hỗn hợp khí có lẫn tạp ... chấm giao cho tổ chấm thảo luận thống (có biên bản) sai sót phần làm học sinh để trừ điểm cho thích hợp - Trong giải, học sinh làm theo nhiều cách khác kết đúng, lý luận chặt chẻ, cho điểm tối

Ngày tải lên: 03/06/2013, 01:26

Ngày tải lên: 29/10/2013, 11:38

... playing soocer / beach Best wishes, Hung Họ tên : ………………………………… Class : ……… Đề Kiểm tra học sinh giỏi lớp Môn : Anh Văn I ) Listen and complete the following schedule ( 1,5 ms ) Bài listen nên ... street -> We………………………………………… 6.Apples are usually cheaper than oranges -> Oranges………………………………………… 7.A play is often longer than a film -> A film…………………………………………… 8.He drives faste...

Ngày tải lên: 17/03/2014, 01:20

Ngày tải lên: 29/06/2014, 07:20

... dùng 10,08 l O2 Dẫn toàn sản phẩm sinh qua bình đựng dung dịch Ba(OH)2 17,1% phản ứng xong thấy tạo thành 49,25 g kết tủa Tính khối lợng Ba(OH)2 dùng Câu 4(3 điểm): Cho 6,85g kim loại hóa trị II ... B Phần tự luận (1 7 điểm) Câu (4 điểm): Viết phơng trình phản ứng xảy thí nghiệm sau : Cho hỗn hợp NaHCO3 NaHSO3 tác dụng với dung dịch Ba(OH)2 d Cho Fe d vào H2SO4 đặc, nóng ... chất rắ...

Ngày tải lên: 02/07/2014, 17:00

... Đáp án - Sự phân bố số electron lớp nguyên tố: A: B: 8 - Cả A B nguyên tố kim loại mạnh, có 1e lớp So sánh: - B nguyên tố kim loại mạnh A Vì B có lớp electron, A có lớp electron, bán kính nguyên ... 3H2SO4 → Al2(SO4)3 + 3H2 ↑ (2) Theo phương trình phản ứng theo đề ta có: 1,5a 98 27a 1,5a.2 + = 32,25 Giải được: a = 5, 09 gam 27 27 27 8 ,96 n CO = = 0,4 mol 22,4 Gọi số mol Fe2O3 x,...

Ngày tải lên: 05/07/2014, 13:20

... 47 Were I (know) the answer, I (tell) you right away 48 Anyone who (not finish) his work won’t be allow to leave now 49 Nothing ( do) since I moved here 50 At this time next week, they (sit) in ... END K Ỳ THI CH ỌN H ỌC SINH GI ỎI C ẤP HUY ỆN N ĂM H ỌC 2008-2009 A M ÔN: TI ẾNG ANH L ỚP 12 H Ư ỚNG D ẪN CH ẤM ( B ản h ớng d ẫn ch ấm c ó 01 trang) T ỔNG ĐI ỂM 100 SECTION A: PHONET...

Ngày tải lên: 27/07/2014, 07:20

... three b- Baby was the lion’s name c- The policeman told the man to show Baby the town d- The lion visited the London Zoo a- The man could drive a car b- The lion didn’t like the Zoo at all c- The ... pool !” a- It wasn’t raining that day b- A policeman saw a man with a dog in the centre of New York c- The man and his pet were walking along the park d- The man didn’t have a car a- The lion ......

Ngày tải lên: 28/07/2014, 03:21

... teacher, taught him a few things, but Thomas was mostly self- educated His natural curiousty led him to start experimenting at a young age with electrical and mechanical things at home When he was ... a stolen car => The man is ……………………………………………………………………… We have a six o’clock deadline for this work => This work must………………………………………………………………… I had better get back to work => It’s time ……………………...

Ngày tải lên: 28/07/2014, 03:21

... held _ January 4, 2010 A : at B : on C : in D : from Why is it difficult for us to _ to the Internet ? A : surf B : respond C : suffer D : get access In the 199 0s, the sale of jeans ... for you 12 This is the first time I _ London A : visit B : visited C : have visited D : visit to 13 The train arrived _ Hue station at pm A : in B : on C : at D : to 14 When I was ... modernization Lao is...

Ngày tải lên: 28/07/2014, 03:21

... Physics in 190 3 and years later she received the Nobel Prize for Chemistry Marie Curie died in 1 93 4 T Marie could read earlier than other children She finished high school in 1 8 93 She had Nobel ... passage : Television first (1) _ some fifty years (2) _ in the 195 0s Since then, it has been one of the most (3) _ sources of entertainment for both the old and the young Television ... B :...

Ngày tải lên: 28/07/2014, 03:21

... ? - A : Yes, I like B : I think so C : No, I hate it D : I’m the opposite 11 I suggest you should _ the windows in the summer A : to open B : opened C : open D : opening 12 ... televisions When television was new, we (2) turn (3) and watch whatever there was The fact that it was on TV was (4) for us to think it must be enjoyable But no that it ... many (6) _ interesting things to As we w...

Ngày tải lên: 28/07/2014, 03:21

... it - I wish…………………………………… Spare the rod and spoil the child - If the child……………………………… He didn’t need to be reminded about it - It wasn’t………………………………… Those shoes will have to be repaired - They ... intrument - Despise………………………………………………… “ How long has it been since you left this city, Bod” ? - He wanted to know…………………………………… Rich families tend to send their children t...

Ngày tải lên: 28/07/2014, 03:21

... ? A : When B : As C : If D : Whether 10 You like watching sports, don’t you ? - A : Yes, I like B : I think so C : No, I hate it D : I’m the opposite 11 I suggest you should ... turn (3) and watch whatever there was The fact that it was on TV was (4) for us to think it must be enjoyable But no that it is part of every life We choose the program ... many (6) _ interesting things to As we w...

Ngày tải lên: 08/08/2014, 05:21

... it - I wish…………………………………… Spare the rod and spoil the child - If the child……………………………… He didn’t need to be reminded about it - It wasn’t………………………………… Those shoes will have to be repaired - They ... intrument - Despise………………………………………………… “ How long has it been since you left this city, Bod” ? - He wanted to know…………………………………… Rich families tend to send their children t...

Ngày tải lên: 08/08/2014, 05:21