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1. Many people find it hard to _____the fact that they are getting old. A. face up to B. break out in C. check up on D. come down with 2. I'm allergic to strawberries. They make me _____a rash A. break out in B. face up to C. feel up to D. go a long with 3. Susan _____a bad cold and had to cancel her trip. A. live up to B. make off with C. make sure of D. came down with 4. My mum ______me most evenings to see that I've done my homework. A. wriggle out of B. break out in C. face up to D. checks up on 5. He promised he'd help me decorate, but now he's trying to _____it. A. go a long with B. live up to C. wriggle out of D. make off with 6. Thieves _____over a million dollars in the robbery. A. make sure of B. made off with C. face up to D. live up 7. Kate's already agreed, but it's going to be harder persuading Mike to ______it. A. wriggle out of B. make sure of C. go along withD. feel up to 8. The concert didn't ______my expectations. A. check up on B. come down with C. feel up to D. live up to 9. They scored another goal and _____victory. A. go a long with B. break out in C. come down with D. made sure of 10. I don't _____jogging today. A. face up to B. live up to C. feel up to D. make off with

. Nguyên tố A có 2 đồng vị là X và Y. Nguyên tử X có tổng số hạt là 46, số hạt không mang điện bằng 8/15 số hạt mang điện. Số nơtron trong nguyên tử Y có ít hơn X là 1 hạt. Biết rằng, nguyên tử khối trung bình của A là 30,97u. a. Tính % các đồng vị X và Y. b. Xác định vị trí của nguyên tố A trong bảng tuần hoàn

Cho số phức z = a+bi (a,b ∈ R) thỏa mãn z + 1 +3i -|z|i = 0 . Tính S = 2a+3b A: S=-6 B: S=6 C: S=-5 D: S=5

1. It’s a good idea to _____ your neighbours. A. go on with B. get on with C. keep up with D. put up with 2. He has had to _____ smoking since his illness. A. run out of B. talk back to C. cut down on D. look forward to 3. I don’t see how you can _____ such bad working conditions. A. get on with B. go on with C. put up with D. talk back to 4. Sorry. I can’t ____ you. You’re too fast to me! A. put up with B. keep up with C. look forward to D. cut down on 5. Children who ____ their parents are regarded as disrespectful. A. look forward to B. run out of C. cut down on D. talk back to 6. We _____ shampoo, so I had to wash my hair with soap. A. keep up with B. put up with C. ran out of D. look forward to 7. Tom is _____ his first trip abroad. A. running out of B. getting on with C. looking forward to D. cutting down on 8. A teacher to the class: “Don’t stop just because a visitor has come to the class! _______your work!” A. Go on with B. Talk back to C. Get on with D. Look forward to 9. I hope none of my friends _____ ashooi this term. A. cut down on B. drop out of C. ran out of D. talk back to 10. I usually ______ my childhood with great pleasure. A. drop in on B. keep up with C. think back onD. cut down on 11. John often _____ us without warning. A. drops out of B. drops in on C. talks back to D. thinks back on 12. Make sure to _______ pick-pockets when you go to the market. A. watch out for B. come along C. take to D. look at 13. 17. He spent the entire night thinking and in the end _______ a brilliant idea. A. received with B. got up C. came up withD. came out 14. I need to_______ from work and take a holiday. A. Go away B. get away C. relax on D. run on 15. He _______ unleaded gas and left on his journey. A. Poured on B. filled up with C. filled up D. poured with 16. Unfortunately, our school had to _______ the music department because of lack of funds. A. Give up B. do away with C. get away D. take back 17. If we want to _______ up with them we’d better hurry. A. Come B. arrive C. approach D. catch 18. When you go to New York, _______ the bad restaurants offering cheap food. A. Look for B. look out for C. look head D. look on 19. He ______ the club on recommendation from his friend Jack. A. Got in B. got on C. got by D. got into 20. I know you find the course boring. Pauline, but since you’ve started it, you might as well ____ it A. go witht B. go through with C. go ahead D. go off

20. Whatever your decision, bear in mind that most people change ___ paths up to fuve times during their lifetime. A. job B. vacation C. occupation D. career 21. For careers that truly interest you, consider asking each person if you can _____ him or her at work. A. follow B. search C. shadow D. monitor 22. The career may be stressful, but it can be very ______ in salary as well as in pride of accomplishment. A. exciting B. accepted C. rewarding D. low 23. A fruit that is fully-ripe is an example of a fruit that has reached _____. A. mature B. growth C. development D. maturity 24. The motor of the car won’t work, we have run _____ petrol! A. on B. out C. out of D. out for 25. You must walk slowly if you want the children to ______ with. A. keep on B. keep up C.go on D. come up 26. I studied langueges _____ I could work abroad. A. so B. so that C. as D. if 27. Don’t take my advice if you don’t want to. You can do _____ you like. A. like B. as C. although D.but 28. The old farmer nodded, _____ he had understood every word. A. as B. so C. as though D. although 29. A positive workplace ______ encourages creativity mbecause employees feel that their ideas will contribute to the success of the organization. A. confidence B. attitude C. emotion D. position 30. The president has failed to _____grips with the two most impotant social issues of our time. A. get B. get to C. take D. take to 31. She is acting in an _____ role in the administration. A. advisory B. advisor C. advisable D. advisement 32. LinkedIn, a social media, is a great way to _____ your skills and experience. A. focus B. respect C. highlight D. attend 33. Their pay was low and they no job security or legal ____. A. actions B. requirements C. advice D. rights 34. His teenage daughter is driving him crazy. He can’t _____ her moods, her music, and her constant demand for money. A. put up with B. put up to C. keep up with D. go on with 35. It is important to make your CV or curriculum vitae to ______ out from the crowd. A. keep B. sit C. stand D. get 36. If you’re required to fill out an application form, you’ll still need to _____ the best way to present your skills and experience. A. exercise B. make out C. work out D. come up 37. I got on so well with my tutor _____ I did with my elder brother. A. as if B. as C. so D. like 38. She will be ill _____ she takes a few days off. A. if B. unless C. as D. so that

Cho chất lỏng thứ nhất và thứ hai có khối Iượng lần lượt là 10g và 7g. Khối lượng riêng của chất lỏng thứ nhất lớn hơn lượng riêng của chất lỏng thứ hai là 300 kg/m, Đem hai chất lỏng trên trộn vào nhau thì được hỗn hợp chất lỏng có khối lượng riêng là 850 kg/m3• Tính khối lượng riêng của m6i chất lỏng (Biết rằng thể tích của hỗn hợp chất lỏng bằng tổng thể tích của hai chất lỏng và khí hai chất lỏng trộn vào nhau thì không có phản phản ứng hóa học xảy ra).

Gọi S là tổng các số thực m để phương trình z^2-2z+1-m=0 có nghiệm phức thỏa mãn |z|=2 . Tính S A: S=6 B: S=10 C: S=-3 D: S=7

you will to work or even take a nap on a train find a mistakes tìm lỗi sai

Cho phương trình $az^{2}$ + $bz$ + $c$ = 0 với a b c ∈ R , a ∉ 0 có các nghiệm z1 z2 đều không là số thực . Tính P = |z1+z2|^2 + |z1-z2|^2 theo a b c A: P= $\frac{b^2-2ac}{a^2}$ B: P= $\frac{2c}{a}$ C: P= $\frac{4c}{a}$ D: P= $\frac{2b^2-4ac}{a^2}$