Một điện mạch gồm điện trở R1, mắc nối tiếp với điện trở R2=9Π. Hđt 2 đầu R1 và 2 đầu mạc lần lượt là U1=3V; U=12V. Tính điện trở R1.

VI. 1. ​Do you have a lighter or some m____? 2​. What’s your m___ phone number? 3​. This is my i___ card. 4​. Do you want to c___ a taxi? 5​. After work she g___ to the gym. 6​. A c___ is a place where you can buy medicine. 7​. He s___ for eight hours a night. 8​. The opposite of tall is s___. 9​. If you break your leg you have to go to h___. 10​. I d____ a Volkswagen. 11. ​I always w___ up early. 12​. Your son’s daughter is your g___. 13​. She often t___ by plane. 14​. I usually c____ dinner at 8.00. VII. Match the words with the same sounds. beautiful leave friend see juice breakfast said slow phone thought water wet Example:​red friend said wall​ 1​____ 2​____ shoe ​3​____ 4​____ home​ 5​____ 6​____ tree​ 7​____ 8​____ red​ 9​____ 10​____ VIII. Underline the stressed syllable. 1​. healthy 2​. tomatoes 3. ​beautiful 4​. aggressive 5​. summer 6​. completely 7​. vegetables 8. ​engineer 9​. behind 10. ​politician

Làm giúp mik nha mọi người mik cầm gấp

mot cua hang co 90000 kg gao lan dau ban duoc 28000 kg gao lan sau ban duoc 30000 kg gao hoi cua hang con bao nhieu kg gao?(giai bang 2 cach)

Thì HTĐ hoặc HTTD I...( go) to school by bus every day, but today I ...(go) to school by bike Mk điền từ go và go có đúng ko ạ? Cảm ơn ạ!

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REVISION QS TAG & WORD FORM 1. It was an_______ day. A. enjoy B. enjoyed C. enjoyable D. enjoyably 2. She sings very_______ A. beautiful B. beautify C. beautifully D. beauty 3. The accident happens because the driver drove _______. A. careful B. carefully C. careless D. carelessly 4. You should_______ for an hour. A. relaxation B. relaxed C. relax D. relaxing 5. Some young people today have a very strange_______. A. appear B. disappear C. appearance D. disappearance 6. Her clothes look very modern and _______. A. fashion B. fashionable C. fashionably D. unfashionable 7. What a _______ T. Shirt! A. color B. colorful C. colorfully D. colorless 8. I have an _______ to the party tonight. A. invitation B. invited C. invite D. inviting 9. His attempt to break the world record was _______. A. success B. successful C. successfully D. succeed 10. I met some _______ at the park last week. A. foreign B. foreigners C. foreigner D. foreignness 11. She was really _______ by the beauty of the city. A. impress B. impressive C. impression D. impressed 12. She made a deep_______ on the members of his class. A. impress B. impression C. impressed D. impressive 13. We enjoyed the _______ atmosphere in Hanoi. A. peace B. peaceful C. peacefully D. peaces 14. The _______ language in Malaysia is Bahasa Malaysia. A. nation B. international C. national D. internationally 15. We have a good _______ with our neighbors. A. relative B. relate C. relation D. relationship 16.He seldom goes to the library, ………………? A. doesn’t he B. is he C. does he D. isn’t he 17.Let’s go for a long walk, …………….? A. will we B. shall we C. don’t you D. do you 18.He thinks he will join us, …………….? A. doesn’t he B. won’t he C. will he D. does he 19.I am a bit late, …………….? A. am not I B. aren’t you C. are you D. aren’t I 20.Mary hardly ever makes a mistake, …………? A. does she B. doesn’t Mary C. doesn’t she D. doesn’t Mary 21.You saw him,………………..? A. didn’t you B. did not you C. did you not D. A & C 22.Mary lives in London,……………………………….? A. does she B. doesn’t Mary C. doesn’t she D. B & C 23.Do it right now, …………….? A. will you B. shall you C. do you D. don’t you 24.There are no easy ways to learn a foreign language, ……………..? A. are they B. are there C. aren’t they D. aren’t there 25.Let’s go to the office now, ____________ ? A. shall we B. let we C. will we D. do we 26.Somebody wanted a drink, ……………..? A. did they B. didn’t somebody C. didn’t they D. did he 27.Nothing will be better than that, ……………? A. will it B. won’t it C. will they D. won’t they 28.“ Finish your breakfast quickly,…………..?” he said angrily to his son. A. can not you B. can’t you C. will you D. don’t you 29.No one is indifferent to praise, ……………? A. is one B. isn’t one C. is he D. are they 30.Someone has left these socks on the bathroom floor, ………………? A. have they B. haven’t they C. has he D. hasn’t he đang cần gấp ạ

Giúp mik với 5 giờ phải nộp rồi

Find and correct the mistakes below 1 are they have a meeting every week. 2 he now the answer. 3 Robert playes baseball on the weekend. 4 they has lots of free time . 5 đó they usually driving to work? 6 Jenny is not work at a restaurant. 7 she worrys too much about the exams. 8 my father want to travels to Spain. 9 why you study English? 10 they are start class in the morning.

Nêu mệnh đề phủ định của các mệnh đề sau và xác định xem mệnh đó đúng hay sai: a. Một năm có tối đa 52 ngày chủ nhật b. Các số nguyên tố đều là số lẻ c. Số 12 chia hết cho 2 và cho 3 d. Số 15 có chữ số tận cùng bằng 0 hoặc bằng 5 e. Hình bình hành có hai cạnh đối vừa song song vừa bằng nhau. Giúp mik với!!!!