Cho 3 điện trở giống nhau, hãy vẽ các sơ đồ cách mắc các điện trở thành các mạch điện.

Đặt 4 câu với các từ dưới đây để phân biệt nghĩa gốc và nghĩa chuyển của từ. 1.Đi: Di chuyển bằng chân, 2 chân không đồng thời nhấc khỏi mặt đất, tốc độ trung bình. 2. Đi: Mang, xỏ vào chân hoặc tay để che, giữ. 3. Đứng: Ở tư thế thân thẳng, chân đặt trên nền đất. 4.Đứng: Ngừng chuyển động của vật đang di chuyển. * Làm được tui cho 20 điểm

Làm giúp tớ với tớ phải nộp trước sáng mai ;-;;;

Chia động từ trong ngoặc ở thì tương lai đơn. 1. I am hot. I (turn) ________ on the air-conditioner. 2. You (meet) ________many interesting people. 3. ________(you/come) to her birthday party? 4. He wishes he (earn) ________ a lot of money in the future. 5. My sister (turn) ________sixteen tomorrow. 6. Ava (not be) ________with one hour. 7. What ________(you/do) tonight? 8. My father believe that this year the weather (be) ________fine. 9. The restaurant (serve) ________Thai food in the next few weeks. 10. How long ________(he/stay) in Hanoi? 11. I study very hard. I think I (get) ________ good marks. 12. Tomorrow is my sister’s graduation. I (buy) ________some flowers for her. 13. She thinks she (not stop) ________playing violin in the future. 14. I am sure Mr. Parker (come) ________ 15. Don’t run so fast. You (fall) ________ 16. Are you sick? I (phone) ________the doctor. 17. Don’t worry. Everything (be) ________alright. 18. There (not be) ________any magazines tomorrow. 19. I suppose my father (take) ________me to the theater tomorrow. 20. How long ________ (you voyage/ take)? 21. (there/ be) a lot of people at the concert. 22. Your boss (agree) ________to your brilliant ideas. 23. You (never see) ________this beautiful thing again. 24. ________(your parents/be) at home tomorrow? 25. ________(you/ accept) my invitation?

Giúp em với nhập đáp án đúng nhất

1, Please remember____ your identification and sufficient documents with you when you come here to register. a. to bring b. to bringing c. bringing d. being brought 2. Mr.Michael needs____ all the CVs of applicants before contacting them for interviewing. a. Review b. to review c. reviewing d. to be reviewed 3 The sun……………in the East. A.is rising B.rose C.has risen D.rises 4 .It is a nice day. I………….we go out for a walk. A.suggested B.suggest C.is suggesting D.are suggesting 5 .Tim was tired. He………….hard all day. A.has been studying B.studies C.studied D.had been studying 6 .Bad driving often…………many accidents. A.caused B.had caused C.causes D.has cause 7. Our test papers ………………….by our teachers now. A. are marking B. are being marked C. will mark D. will be marked 8. ………………….the birds in your garden at three o’clock yesterday afternoon? A. Did you feed B. Were you fed C. Were you being fed D. Were you feeding 9 . Many U.S. automobiles --------------- in Detroit, Michigan. A. manufacture B. have manufactured C. are manufactured D. are manufacturing

1. I’ll meet you at the ______________ to the building tomorrow. A. ground B. highway C. square D. entrance 2. There is a large supermarket ________, so we don’t have to store a lot of food. A. nearby B. nearly C. next D. closely 3. My cousin’s hobby is to _______________ stamps. He’s done it for many years. A. choose B. collect C. store D. save 4. If you want to play tennis here, you must be a _____________ of the club. A. people B. person C. part D. member 5. Thousands of people visit this ______________ of a historical hero every month. A. shrine B. mosque C. house D. pagoda 6. On the way back, we had a stop at the ___________________to get some petrol. A. grocery store B. chemist’s C. gas station D. bakery 7. My village lies near the __________of the mountain and by a big river. A. foot B. leg C. feet D. legs 8. My brother usually ___________ chores after school. A. makes B. does C. brings D. takes 9. Nga is the same height ___________ Lan. A. like B. look C. as D. with 10. A Vietnamese boy __________Tam is living with the Brown family in Ohio. A. call B. calling C. name D. named 11. In the afternoon, when Tam __________ his homework, he helps Mr. Brown on the farm. A. ends B. complete C. finishes D. finished 12. Tam also helps _____________ the chickens’ eggs. A. collect B. gather C. pick D. take 13. The test was _________easy that all the students got high scores. A. such B. so C. as D. very 14. I have never had a chance to see a real green paddy ______________. A. tree B. place C. meadow D. field 15. It took us two hours _____________ the village by bus. A. to come B. to arrive C. to get D. to reach 16. How _____________do you eat in a restaurant? A. long B. far C. often D. much 17.If only I _______a new watch. Mine is too old. A. have B. had C. will have D. could have 18. He is considered one of the greatest ____________ of the country. A. heroes B. heroin C. heroines D. heroic 19. After an hour ......................... on the farm, the buffalo was given some hay. A. plow B. plowing C. plowed D. plough 20. Hương took a lot of photos __________________ the visit to Hương Pagoda. A. when B. in C. while D. during

giúp em bài này với ak e sẽ thả sao

cho parabol y=ax^2+bx+c đi qua 2 điểm A(0;-3),B(2;1) và cắt trục Ox tại 2 điểm M,N sao cho MN=2 .tính a^2-b^2

Tính giá trị biểu thức a) A = 5x² + 10xy + 5y² - 105z² tại x=5 , y=7 và z = 12 b) B = 16x² - y² + 4x + y tại x =1,3 và y =0,8