giai bai tap viet cau dieu kien 1 2 3

... I got lost because I forgot the map →If 10 / If anyone didn’t come, we would phone you at once → Unless 11 / They were very angry because their friends ... be employed because she doesn’t have a college degree → If _ 2/ I don’t have enough money I can’t go on a long holiday this year → If 3/ He is very ... money because he has to pay father’s debt → If 6/ City life isn’t enjoyable because everything is very expensive → If _ 7/ She got bad mark because...

Ngày tải lên: 28/09/2013, 20:10

Ngày tải lên: 01/08/2015, 17:30

... (not let) you in 20 If he (go) on telling lies nobody will believe a word he says 21 Unless he (sell) more he won't get much commission 22 If I lend you 10 when you (repay) me? 23 We'll have to ... all right 10 If I (know) that you were coming I'd have baked a cake 11 I (offer) to help him if I had realized that he was ill 12 If you had left that wasp alone it (not sting) you 13 If I (realize) ... you 21 If she (leave) the fish there the car will get it 22 Unless they leave a lamp beside that hole in the road somebody into it 23 You'll get pneumonia if you (not change) your wet clothes 24 ...

Ngày tải lên: 04/06/2013, 01:26

... would go 21 If I ……… a camera, I would have taken some pictures a have b had c would have d had had 22 You won’t pass the examination……………you study more a as long as b unless c if d whether 23 If ... wouldn’t go 12 We ‘ll get wet if we ………….out a go b did go c went d had gone 13 If I go shopping, I ………some food a buy bought b will buy c would buy d would have c had told d told 14 If I find ... tell 15 What would you if you……………a million dollars? a would win b win c had won d won 16 They ‘d be hurt if I ……………… a don’t go b didn’t go c hadn’t gone d wouldn’t go 17 If we took the 6: 30 ...

Ngày tải lên: 19/08/2013, 14:47

... ………………………………………………………………………………………… 21 He didn’t listen to the teacher If he (listen) carefully, he (perform) well in the examination  ………………………………………………………………………………………… 22 He’s waiting for his mother ... ………………………………………………………………………………………… 15 If he (go) to London yesterday, he (meet) his old friend  ………………………………………………………………………………………… 16 I will lend them some money if they (ask) me  ………………………………………………………………………………………… 17 If ... ………………………………………………………………………………………… 18 My dog will bark if it (hear) any strange sound  ………………………………………………………………………………………… 19 If I (have) enough money, I would buy a house  ………………………………………………………………………………………… 20 They (let)...

Ngày tải lên: 14/10/2013, 02:11

... 3) Dạng viết lại câu đổi từ câu có if sang dùng unless: Unless vào chỗ chữ if, bỏ not, vế giữ nguyên...

Ngày tải lên: 29/06/2014, 23:00

... would go 21 If I ……… a camera, I would have taken some pictures a have b had c would have d had had 22 You won’t pass the examination……………you study more a as long as b unless c if d whether 23 If ... If…………………………………………………………………… 11 I didn’t eat lunch, I feel hungry now => If I………… ………………………………… 12 It hadn’t rained, we would have a better crop => But for……….…………………………………… 13 .If you want my advice,I ... 33 If we (live) ……………………………… in a town, life would be better 34 I’m sure he wouldn’t mind if we (arrive) …………………………… early 35 We (phone) …………………………………… you if we have time 36 If I won...

Ngày tải lên: 23/08/2014, 08:34

... told them 10 “Where are you going?” he asked her -He asked her where 11 “Which way did they go?” he asked -He asked 12 “Is it going to be a fine day today?” I asked her -I asked her 13 “He’s ... go for a swim 10 If you (not, hurry) , you'll be late 11 If you broke the window, you (have to) pay for it 12 If you (lose) your way, you would have to ask a policeman 13 If he (be) ... birthday,” he said -He said that 21 “How long are you going to stay?” I asked him -I asked him 22 “Will you come to my party?” she said to me -She asked me 23 “ Did Mr Brown send the potatoes...

Ngày tải lên: 23/08/2014, 08:34

... (not let) you in 20 If he (go) on telling lies nobody will believe a word he says 21 Unless he (sell) more he won't get much commission 22 If I lend you 10 when you (repay) me? 23 We'll have to ... all right 10 If I (know) that you were coming I'd have baked a cake 11 I (offer) to help him if I had realized that he was ill 12 If you had left that wasp alone it (not sting) you 13 If I (realize) ... you 21 If she (leave) the fish there the car will get it 22 Unless they leave a lamp beside that hole in the road somebody into it 23 You'll get pneumonia if you (not change) your wet clothes 24 ...

Ngày tải lên: 21/10/2014, 10:04

Ngày tải lên: 03/11/2014, 22:08

Ngày tải lên: 24/11/2014, 21:59

Ngày tải lên: 18/12/2014, 20:21

Ngày tải lên: 13/05/2015, 08:38

Ngày tải lên: 09/06/2015, 10:00

Ngày tải lên: 05/07/2015, 15:33

Ngày tải lên: 12/10/2015, 08:37

... = 18 T Đã đặt miền nén 2 14 (Fa' = 3, 08 cm )2 , miền kéo bố trí 3 25 (Fa = 14 , 73) cm , Với a = a ' = 3, 5cm Yêu cầu: Hãy kiểm tra cường độ tiết diện Đáp số: Cấu kiện đủ khả năn g chòu lực Bài 16 : ... trí miền nén 2 12 (Fa' = 2, 26 cm )2 , miền kéo bố trí 4 20 (Fa = 12 ,56 )cm , Với a = a ' = 3, 5cm Yêu cầu: Hãy kiểm tra cường độ tiết diện Đáp số: Cấu kiện đủ khả năn g chòu lực 62 ... 2, 5Tm, N dh = 24 T , N ngh = 15 T Biết miền nén đặt 2 20 (6 ,28 cm Với ) a = a ' = 3, 5 cm Yêu cầu: Hãy tính toán cốt thép Fa cho cấu kiện Đáp số: Fa = 4,002cm ; chọn 2 16 có Fa = 4, 02 cm Bài 7:...

Ngày tải lên: 18/10/2012, 11:50

... → α = 0 ,39 > Fa = ) N.e − R 'a Fa' h − a ' 31 , 2 .10 − 27 00 .3, 08. (36 − ) = = 0, 31 4 R n b.h 90 .20 .36 2a ' 2. 4 = = 0 ,22 α < α h0 36 N + R n b.h α 31 , 2 .10 + 90 .20 .36 .0 ,39 + Fa' = + 3, 08 ≈ 24 (cm ) ... (*) Ne = 12 0 .10 64 ,33 = 7 720 000( kG.cm) = 77,2T.m (1) ( ) R n b.x.(h − 0,5.x ) + R 'a Fa' h − a ' = 90.40. 31 , 35 3.(66 − 0,5. 31 , 35 3) + + 27 00 . 12 ,56.(66 − ) 822 4575(kG.cm) = 82, 224 75T.m (2) = Kết ... dh 30 ,5 + N ngh = + 2 ,1 = 32 , 6 T m dh 4 16 r10 đai Þ6 20 N 40,5 .10 − m b R n Fb − 0,85.0,85.90 .3 ,14 .10 ϕ 0,98 Fa' = = 4, 5 12 cm = Ra 27 00 Bước 4: Kiểm tra 3% > Fa 4, 533 = 10 0 = 1, 31 % > µ = 0 ,1% ...

Ngày tải lên: 18/10/2012, 11:50

Ngày tải lên: 06/06/2015, 01:00

... R Fđ Trong đó: C C = R n.fđ = q đ C u u (1. 31 ) R Fđ R n.fđ = u u (1- 32 ) 2R k b.h + q đ C = Q ĐB C (1. 33 ) qđ = Thay (1. 30 ), (1. 31 ) vào (1. 32 ) , ta có: Q≤ QĐB - khả chòu cắt bêtông cốt đai ... = ( h' x )+Rn(bc’ - b).hc’.( h − c )+ R 'a Fa' h − a ' 2 ) (1. 22 ) x , A = α. (1 − 0,5α ,) công thức (1- 21 ) , (1- 22 ) có dạng: h0 ( ) (1. 23 ) R a Fa = R n b.h α + R n b 'c − b h 'c + R 'a Fa'  ... công thức sau: (1. 11) R a Fa = R n b.x + R 'a Fa' ( ) x  (1. 12) M ≤ M gh = R n b.x. h −  + R 'a Fa' h − a ' 2  x + Đặt α = , A = α. (1 − 0,5α ,) hai công thức (1. 11) , (1. 12) có dạng sau:...

Ngày tải lên: 18/10/2012, 11:50