đề chọn hsg av9 sô 20
ĐỀ CHỌN HSG AV9( sô 3)
... a b did c were d are 19 I wish she…………………………………….better a study b studies c studied d to study 20. Mrs lan used to ………………………… ……… when she was a girl a swam b swims c.swimming d swim 21 You must...
Ngày tải lên: 26/09/2013, 13:10
ĐỀ CHỌN HSG AV9( sô 4)
... about holiday English Language courses in Scotland and think of the word which best fits each space(20ms) Our classes take place for three hours every morning from Monday to Friday.The maximum class ... that it has the similar meaning to the first, using the word given Do not change the given word.(20ms) EX: The film only finished a minute ago just The film has just finished The police think that...
Ngày tải lên: 26/09/2013, 13:10
ĐỀ CHỌN HSG AV9( sô 13)
... went by train and then by airplane World communication was now a possibility Prehistory was a 200 years ago, when we had history books b many years ago, before history books were written c...
Ngày tải lên: 26/09/2013, 13:10
đề chọn hsg toán 8-2008
... Sn+2 = 3Sn+1 - Sn Do S1, S2 Z nên S3 Z; S2, S3 Z nên S4 Z Tiếp tục trình ta đợc S5; S6; ; S2008 Z (1,5 điểm) n Ta có Sn = n n +1 n n +1 + +1 ; b1 =...
Ngày tải lên: 15/06/2013, 01:27