Trên đường thẳng xy lấy một điểm O. Vẽ tia Oz sao cho $ \widehat{xOz}=\dfrac{2}{3}\widehat{yOz}. $ Giá trị $ \widehat{yOz}-\widehat{xOz}$ bằngA.$ \widehat{yOz}-\widehat{xOz}={{72}^{0}}. $B.$ \widehat{yOz}-\widehat{xOz}={{24}^{0}}. $C.$ \widehat{yOz}-\widehat{xOz}={{45}^{0}}. $D.$ \widehat{yOz}-\widehat{xOz}={{36}^{0}}. $
Choose the answer among A, B, C, D to complete each of the sentences below:They started a campaign to...... smoking among teenagers.A.prohibitB.discourageC.encourageD.decrease
Choose the answer among A, B, C, D to complete each of the sentences below:Recently the Asian Games has increased in ______.A.popularityB.polularC.popularizingD.popularly
Trên tia Ox lấy ba điểm A, B, C sao cho $ OA < OB < OC $ . Từ một điểm M ở ngoài đường thẳng chứa Ox vẽ các tia MO, MA, MB, MC. Giả sử $ \widehat{OMC}={{120}^{0}};\widehat{OMA}={{30}^{0}};\widehat{AMB}={{50}^{0}}. $ Tính số đo góc BMC.A.$ \widehat{BMC}={{70}^{0}}. $B.$ \widehat{BMC}={{50}^{0}}. $C.$ \widehat{BMC}={{60}^{0}}. $D.$ \widehat{BMC}={{40}^{0}}. $
Choose the answer among A, B, C, D to complete each of the sentences below:Man has witnessed a great many significant ______ of science and technology in the past few decades.A.achievementsB.achievedC.achievesD.achievers
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Your friendship should be based on ________ trust.A.blindB.fragileC.basicD.mutual
Choose the answer among A, B, C, D to complete each of the sentences below:The world’s coal _______ should last longer but, once used, these cannot be renewed.A.reservesB.storesC.storageD.reservations
Choose the answer among A, B, C, D to complete each of the sentences below:We live in an age of rapid scientific and technological _____.A.advancementB.advancingC.advanceD.advances
Choose the answer among A, B, C, D to complete each of the sentences below:I've got lots of ________, but only a few are really good friendsA.close friendsB.partnersC.neighborsD.acquaintances
Choose the answer among A, B, C, D to complete each of the sentences below:I hate camping because I can't ______ an umbrella tent in the wind and I can't make a fire in the rain.A.set offB.turn roundC.put upD.take over
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