... the train - Look out! There`s a car coming • Like other verbs, some phrasalverbs take an object: - Can you pick up that bag? verb object And some phrasalverbs not take an object: - We `re setting ... faster to look oat = to take care PRACTICE Complete the sentences, using the phrasalverbs in the box Put the verbs into the correct tense and form get up break down set off sleep in stay in speak ... pronoun, it goes after the phrasal verb in the same way: - Can you look after them? • Examples of phrasalverbs that take an object but not separate: to get over = to recover from something, e.g...
... a weapon b become c country d decade a habitat b century c difficult d prohibit a ivory b punishment c government d destruction a population b particular c recovery d illegally a continent b however ... material from a wild corn species in Mexico was used to stop a leaf fungus that had previously wiped out 15% of the U.S corn crop Plant and animal species are the foundation of healthy ecosystems Humans ... management practices Pollution off the coast of Florida is killing the coral reefs along the Florida Keys, which serve as habitat for hundreds of species of fish Commercial fish species have begun...
... record He a new record A did B played C created D found Number Choose the best answer among A, B, C or D I call you as soon as I can A back B off C away D out The promoters called the concert ... milk the countertop A off B out C away D up 13 Mankind has managed to wipe many kinds of animals A away B off C out D over 14 A corporation might write a debt if it looks uncollectible ... well on the first quiz." " ! That quiz only counted for 10 percent of the total grade, and I'm sure you'll better on the other tests." A Count up B Count out C Put out D Put down Number 10 Choose...
... was born in Scotland but I in Northern Ireland A grew up B raised C brought up D rose 21 How you start the computer? A How does the computer turn on? B How you turn on the computer? C How ... computer? C How you turn the computer on? D Both B and C are correct 22 I/ not accept/ offer/ turn down/ A I couldn’t accept his offer to avoid turning down him B I couldn’t accept his offer because ... a car coming! A The car is behind you, so you should run B Don’t go away because the car is coming C Hurry up or you will be late for the car D You should be careful because the car is coming...
... in c goes up d comes on I think he is unwell; he was complaining _ a headache this morning a of b at c from d against 13 I saw a thief take Tom's wallet so I ran _ him, but I couldn't catch ... write down c up d fill in The water company will have to _ off water supplies while repairs to the pipes are carried out a take Come _, children! Get your coats on or you'll be late for school ... Please come _ and see us some time-you're always welcome a to b round 15 d off The job offer was too good for him to turn _ a down 13 it c back b in for c over d through They had never come...
... the train - Look out! There`s a car coming • Like other verbs, some phrasalverbs take an object: - Can you pick up that bag? verb object And some phrasalverbs not take an object: - We `re setting ... faster to look oat = to take care PRACTICE Complete the sentences, using the phrasalverbs in the box Put the verbs into the correct tense and form get up break down set off sleep in stay in speak ... pronoun, it goes after the phrasal verb in the same way: - Can you look after them? • Examples of phrasalverbs that take an object but not separate: to get over = to recover from something, e.g...
... start the computer? A How does the computer turn on? B How you turn on the computer? C How you turn the computer on? D Both B and C are correct 23 I/ not accept/ offer/ turn down/ A I couldn’t ... run B Don’t go away because the car is coming C Hurry up or you will be late for the car D You should be careful because the car is coming 21 I was born in Scotland but I in Northern Ireland ... up 19 Choose the underlined part need correcting: “Please turn up the radio, I can’t concentrate on my work”(turn off) A B C D 20 Look out! There’s a car coming! A The car is behind you, so you...
... them 77 Phrasalverbs I Định nghĩa: Phrasal verb( cụm động từ ) kết hợp động từ giới từ trạng từ Eg: V+ prep: look for V+ adv: get away V+ adv+ prep: catch up with II Phân loại: _ Separable phrasal ... on: làm ngã, phá huỷ Live on: sống dựa vào Look down on: coi thường Look forward to: mong đợi Come about: xảy Come across: tình cờ gặp Come up: xảy ra/ xuất Dress up: ăn mặc sang trọng Drop in: ... following phrasalverbs to complete the sentneces look up look after find out go on turn down give up grow up break down We'll buy a smaller house when the children and left home The computer...
... noise! 20 The thieves ran away when the burglar alarm went Exercise Put the correct prepositions in the blanks for combination with HAND, GROW, HANG, JUMP Grow on Grow up Hand down Hang about ... they offered me a job in the USA, I’d jump _ the chance Exercise Put the correct prepositions in the blanks for combination with HOLD, KEEP Hold on Hold out Hold up Keep down Keep away Keep ... hold _ till help came Her illness is getting worse Doctors hold little hope of her recovery Could you hold making decision until next week I’m trying to find out the best solution...
... broke away C broke in D broke down Mike _ Alaska, so he's used to cold weather A comes over B comes in C comes across D comes from Jane had a difficult childhood She _ a broken home A came ... computer? C How you turn the computer on? D Both B and C are correct 10.I/ not accept/ offer/ turn down/ A I couldn’t accept his offer to avoid turning down him B I couldn’t accept his offer because ... 8.I was born in Scotland but I in Northern Ireland A grew up B raised C brought up D rose 9.How you start the computer? A How does the computer turn on? B How you turn on the computer? C How...
... 1955 in Mexico City A toward B from C under D in A meet B meets C meeting D met A realized B recognized C admitted D confirmed A or B but C then D later A competing B competition C competitive ... 1955 in Mexico City A toward B from C under D in A meet B meets C meeting D met A realized B recognized C admitted D confirmed A or B but C then D later A competing B competition C competitive ... nice house B Thanks for coming C Please help me with this D Sorry 44 _ “Thanks a lot for your help” _ “ ” A Your welcome B You're welcomed C You’re welcome D You welcomed 46 Peter: Good morning,...
... Ta có ∅ = A1 ⊂ X, A1 compact (do X compact f liên tục) Dùng quy nạp, ta chứng minh ∅ = An ⊃ An+1 , An compact ∀n = 1, 2, Từ ta có {An } họ có tâm tập đóng không gian compact Do A = • Bao hàm ... không gian compact ta tìm n1 , n2 , , nk cho k X= Gni i=1 Đặt n0 = max{n1 , , nk } ta có X = Gn0 Khi n ≥ n0 ta có Gn ⊃ Gn0 nên Gn = X Từ ta thấy (**) Bài 5: Cho không gian metric compact ... f −1 (F ) mà lim xn = a cần chứng tỏ a ∈ f −1 (F ) Ta có: f (xn ) ∈ F, n ∈ N ∗ F tập compact (do F đóng, Y compact) =⇒ ∃{xnk } : lim f (xnk ) = b ∈ F k→∞ Khi đó: lim (xnk , f (xnk )) = (a, b),...
... Hớng dẫn giải Các phản ứng Fe3O4 + 4CO t 3Fe + 4CO2 CuO + CO t Cu 0 + CO2 CO2 + Ca(OH)2 CaCO3 + H2O CO lấy oxi oxit CO2 nO (trong oxit) = nCO = n CO2 = n CaCO3 = 0,05(mol) moxit = mKl + moxi ... gam Hớng dẫn giải yCO + FexOy xFe + yCO2 y n CO = x (1) y 8,96 = 0,4 (mol) 22,4 CO2 + Ca(OH)2 CaCO3 + H2O (2) n CaCO3 = 30 = 0,3 (mol) n CO2 = 0,3 (mol) 100 n CO > n CO2 CO d FexOy hết Theo ... giải Các phơng trình hoá học : to MxOy + yCO xM + yCO2 Ca(OH)2 + CO2 CaCO3 + H2O Ta có : m oxit = m kim loại + m oxi Trong n O = n CO = n CO2 = n CaCO3 = 15 = 0,15 (mol) 100 m oxit = 2, + 0,15.16...
... 52 7: gia su tren phan tu adn cua sv nhan thuc cung luc co don vi tai ban giong nhau, tren chac chu y cua don vi tai ban nguoi ta thay co 14 doan okazaki So doan ADN moi da duoc tong hop cho ... mới được tổng hợp theo hai phương thức khác nhau: - Tổng hợp mạch liên tục: sợi khuôn co chiều 3' => 5', toàn bộ quá trình nhân đôi chỉ cần ARN Primer (đoạn mồi) bởi vì sợi ... hướng của toàn bộ quá trình nhân đôi (5' => 3') - Tổng hợp mạch gián đoạn: sợi khuôn co chiều 5' => 3', sợi được tổng hợp thực chất là các phân đoạn giật lùi Okazaki được...
... Z? Br C2H5 H CH3 Br CH3 H C2H5 C6H5 CH2OH C6H5 COCH3 H COCH3 H CH2OH A 1, B 1, C 2, D 1, Bài Chất có cấu hình E? HOH2C HOH2C COCH3 H 3CO H H 3CO H COCH3 H CH2C6H5 H CH2C6H5 HOH2C Br HOH2C Br A 1, ... phân lập thể axit 2,3,4-trihidroxiglutaric thuộc dạng nào? COOH H OH COOH HO COOH COOH H H OH H HO H H OH H OH HO HO H H OH H OH H COOH COOH A 1, : đôi đối quang; 3, 4: dạng meso B 1, 2: dạng meso; ... đôi đối quang D 1, 2, 3, : dạng meso COOH OH H OH COOH Bài 22 Xác định cấu hình R, S hợp chất sau: COOH COOH CH(CH3)2 H H2N CH2OH H H2N COOH H CH2SH H H2 N N COOH H A – S; – S; – R; – R B – S;...
... yCO t xFe + yCO R R R R R (1) R CO + Ba(OH) BaCO + H O (2) R R R R R R R R nCO = nCO = nBaCO = 9,062/197 = 0,046 mol (nh lut bo ton nguyờn t) R R R R Theo nh lut bo ton lng ta cú m A + mCO ... Khi kh oxit kim loi bng cỏc cht kh CO (H ) thỡ CO (H ) cú nhim v ly oxi ca oxit kim loi oxit Mi mt phõn t CO (H ) ch ly c 1mol O oxit Khi bit s mol CO n CO = n CO = n O ly ca oxit hoc (H O) p dng ... : nCO = nCO2 = n BaCO3 = p dng LBT ln ta cú : m A + m CO = m CO + m B R 20,88 + 28 R R R R R R m2 m = 44 + 19,2 m2 = 20,685 gam 197 197 R R 2.1.3 Da vo c im ca phn ng kh oxit kim loi bng CO, ...