HOC24
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Chọn đáp án đúng nhất:Công thức hóa học Na2CO3 cho biết:(1) Hợp chất trên do ba đơn chất Sodium, Carbon và Oxygen tạo nên(2) Hợp chất trên do ba nguyên tố Sodium, Carbon và Oxygen tạo nên (3) Hợp chất trên có PTK = 51đvC(4) Hợp chất trên có PTK = 106 đvC
A
(2), (3), (4)
B
(1), (4)
C
(1), (2), (3)
D
(2), (4)
Part 3: Circle the correct answer: (Comparison)1. Of the four shirts, which is__________expensive?A. the best B. the most C. the more D. the greater2. The bigger the flat, the__________the rent is.A. expensive B. more expensive C. expensively D. most expensive3. His father's illness was__________we thought at first.A. more seriously as B. as seriously asC more serious than D. as serious than4. My brother felt tired last night, so he went to bed__________usual.A. more earlier than B. as early than C. more earlier as D. earlier than5. Mary is__________from other women I know.
A. different B. as different C. differs D. more different6. The teacher speaks English__________we do.A. fluently B. more fluently C. most fluently D. more fluently than7. It is the________accident in the history of the city.A. badest B. most bad C. worse D. worst8. Nga sings_________ than this singer.A. well B. better C. gooder D. more good9. Going by motorbike isn't__________convenient as going by car.A. so B. as C. more D. A & B are correct.10. Of the two tables, the round one is__________A. the nicest B. the nicer C. nicer D. a nice one