Liên kết cộng hóa trị tồn tại nhờ:A.các cặp electron dùng chung. B.các electron hoá trị.C.lực hút tĩnh điện.D.các đám mây electron.
Find the word which has a different sound in the part underlined.A.fieldsB.newspapersC.treesD.plants
Find the word which has a different sound in the part underlined.A.proofB.bloodC.broomD.troop
Find the word which has a different sound in the part underlined.A.practiceB.crackerC.braceletD.tractor
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.War ………. can use our help.A.unusablesB.invalidsC.consD.disadvantages
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The old man in the black suit goes down the street with a ……….. in his hand to help him walk.A.wheelbarrowB.chairC.caneD.wheelchair
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The ………. of the IPhone is that the software’s too rigid.A.strengthB.drawbackC.proD.advantage
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The organization _____ to ensure women have access to education.A.existsB.existingC.existD.is exist
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Yard ………. can give people stuff they need at a very low price.A.giftsB.donationsC.salesD.transfusions
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.My ………. on the gender issues is firm.A.ralliesB.pollsC.dataD.stance
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