Chọn đáp án đúng.Chuyển động của đinh vít khi chúng ta vặn nó vào tấm gỗ là:A.Chuyển động tịnh tiến.B.Chuyển động quay.C.Chuyển động thẳng và chuyển động xiên.D.Chuyển động tịnh tiến và chuyển động quay.
Chọn đáp án đúng4521m$^2$ được đọc là:Bốn nghìn năm trăm hai mươi mốt mét haiBốn nghìn năm trăm hai mươi mốt mét vuôngBốn năm hai một mét vuôngA.answer2B.C.D.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Smartphones have both ………. and drawbacks.A.shortagesB.disadvantagesC.benefitsD.weaknesses
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The car is definitely one of the greatest ………. in the world.A.findingsB.discoveriesC.inventionsD.benefits
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.A(n) ………. is an electronic book which can be read on a small personal computer.A.newspaperB.bookletC.e-bookD.magazine
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The ………., which can travel underwater, imitates a dolphin’s shape.A.submarineB.boatC.ferryD.ship
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The potato is an extremely ………. vegetable. It has many different uses.A.convenientB.versatileC.economicalD.flexible
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Electric buses are a clean and ………. way to travel.A.portableB.easy to carryC.environmentally-friendlyD.easy to use
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Technological ………. has been so rapid over the last few years.A.knowledgeB.machineryC.equipmentD.progress
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.We are ………. material on the Internet for a project at school.A.researchingB.surfingC.discoveringD.releasing
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