giải pt : √(x-3) + √(y-5) + √(z-4) = 20 - 4/ √(x-3) -9/ √(y-5) -25/ √(z-4)
Cho 2 đa thức P(x)=3 x mũ 3 trừ 2 x cộng 1 Q( x) bằng 3 x mũ 2 trừ 2 x mũ 3 cộng x trừ 5
Viết mệnh đề danh ngữ - đóng vai trò danh ngữ - Đóng vai trò chủ ngữ -Đóng vai trò bổ ngữ - Đóng vai trò đồng vị ngữ P/s : Mỗi vai trò 2 câu nha
Giúp mình làm bài 3 câu c nhé cảm ơn nhiều
Giúp mình mấy câu được gạch chân, cảm ơn nhé
Mark the letter A,B,C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 21: Peter: - “Can I use your computer?” Anna: – “_______.” A. Well done. B. No, thanks. C. Of course D. Yes, I can Question 22: Tom: - “I’m sorry I’m late.” Mary: – “________.” A. Never mind. Go ahead B. Good to hear that. C. Don’t say so again. D. No worries. Come in, please. Mark the letter A,B,C or D to indicate the underlined part that needs correction in each of the following questions. Question 23: Digital clocks, however precise, they cannot be perfectly accurate because the earth’s rotation changes A B C slightly over years. D Question 24: On the floor of the Pacific Ocean is hundreds of flat-topped mountains more than a mile beneath sea level. A B C D Question 25: My sister told me that she had met my teacher at the supermarket yesterday.
Giúp mình mấy câu được gạch chân nhé. Mình cảm ơn
Question 5: It was ______ chance that they ended up working in the same office in the same city. A. deaf B. blind C. dumb D. dull Question 6: They ______ have seen the play last night as they went to a football match instead. A. could B. must not C. cannot D. might Question 7: We ______ for this opportunity for more than three years. A. were waiting B. have been waiting C. waited D. are waiting Question 8: I’m sorry, but I’ve got ______ much work to do to come to the beach today. A. too B. such C. enough D. so Question 9: During the week of the national tourism festival, we had visitors ______ from all over the country. A. come B. came C. coming D. to have come Question 10: Going on this diet has really ______ me good. I’ve lost weight and I feel fantastic! A. done B. taken C. made D. had Question 11: I have lived near the airport for so long now that I’ve grown ______ to the noise of the airplanes. A. accustomed B. unconscious C. familiar D. aware Question 12: - “Your kitchen is fantastic! Did you do it all by yourself?” - “No, I ______ by a professional.” A. had it designed B. have it to be designed C. had designed it D. designed it Question 13: we need to get environmentalists and businesses on the same ______ to improve things. A. book B. army C. boat D. page Question 14: All applicants must ______ their university transcript and two reference letters to be considered for this job. A. permit B. omit C. submit D. admit Question 15: Let’s not make a mountain out of a ______ , shall we?. A. molehill B. mole C. hill D. dune Question 16: It is time every student ______ harder for the coming exam. A. works B. should work C. work D. worked Mark the letter A,B,C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 17: I knew he was only flattering me because he wanted to borrow some money. A. teasing B. threatening C. praising D. elevating Question 18: The kidnapper gave himself up to the authorities. A. confided himself B. surrendered C. went up D. accommodated himself Mark the letter A,B,C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 19: My carefully laid plans had happened in a way that was arranged. A. had gone far away B. had gone awry C. had gone beyond D. had gone down Question 20: We left New York when I was six, so my recollections of it are rather faint. A. clear B. unintelligible C. explicable D. ambiguous
làm thơ về các cung liên kết trong toán học để dễ nhớ
Mark the letter A,B,C or D to indicate the word that differs from the other three in the preposition of primary stress in each of the following questions. Question 1: A. control B. involve C. tonight D. purpose Question 2: A. hurricane B. photograph C. recommend D. separate Mark the letter A,B,C or D to indicate the word whose underlined part different from the other three in pronunciation in each of the following questions. Question 3: A. hostess B. haste C. horn D. heir Question 4: A. compete B. intend C. medal D. defend
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