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tichphan2018
2 năm trước
Cho các chất sau: O2 , Cl2 , dung dịch HCl, dung dịch NaOH, dung dịch CuSO4 , Fe2 O3 . Kim loại nhôm có thể tác dụng được với bao nhiêu chất? A: 6 chất B: 5 chất C: 4 chất D: 3 chất
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1 Toán : (-8 ) mũ 3 : ( -8 ) mũ 2 + 8 2 Tiếng anh Fill the spaces with the correct adjectives . 1 .the red jacket is ( cheap ) than the blue jacket 2. the shoes are ( nice ) than the boots 3. the pink socks are ( expensive ) than the white socks. 4. the brown sweater ( good ) than the blue sweater 5. the chocolate looks ( bad ) than the candy 6. the radio is ( new ) than the DVD player 7 . the CDs are ( old ) than the DVDs 8. these apples are ( fresh ) than those apples 9. this dress is ( beautiful ) than that dress 10. those green tomatoes are ( sweet ) than the red tomatoes 11 . bangladesh is the ( wet ) of the three countries : Vietnam ,England and bangladesh 12 . the sahara is the world 's ( hot ) desert 13 . loch Lomond in scothland is the ( large ) freshwater lake in Great Britain 14 . Lake Erie is ( small ) than Lake Huron 15 . Mount Everest is 8.848 meters ( high ) ........ 16 . the Amazon River is ( long ) than Mekong River 17 . Fansipan is the ( high ) mountain in Vietnam 18 . Travelling by bus is ( cheap ) than by taxi

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