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nongthuytacb
2 năm trước
Tính bằng cách thuận tiện nhất: 5,25 x 18 - 5,25 x 2 - 10,5 x 3 Tính nhanh các biểu thức sau: (1,25 - 0,25 x 5) x (1,1 x 1,2 x 1,3 x 1,4 x 1,5) 2 x 4 x 8 x 0,5 x 0,25 x 0,125 x (0,4321 + 0,5679) 3,7 x 3,8 + 8,3 x 3,7 - 0,4 x 3,7 x 5 12,5 x 15,32 x 0,008 + 15,32 x 0,9
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IV. Choose the word (A, B, C or D) that best fits the blank space in the following passage.     In many Western countries, people (19)_______ Halloween on October 31st. The word Halloween (20)________ from “All Hallows’ Eve”. It is the night before All Saints’ Day, a religious holiday in some parts of the world. On this night, children dress up in special costumes, put (21)________ masks, and go door to door saying “trick-or-treat” to get candy. Many people decorate their homes with paper ghosts, black cats or witches to give their houses a (22) _______ look. People also decorate their homes with jack-o-lanterns. They carve scary faces on pumpkins, and (23)_____ candles inside the pumpkins. In some places, both children and adults can make (24)______ of haunted houses. They all seem very excited about the festival. 19.       A. celebrate                 B. reduce                                 C. save                        D. exchange 20.       A. gets                         B. goes                                    C. comes                     D. reaches. 21.       A. in                            B. off                                      C. out                          D. on 22.       A. bored                      B. relaxed                                C. careful                    D. scary 23.       A. light                        B. to light                                C. lighting                   D. lighted 24.       A. parts                       B. tours                                   C. turns                       D. prizes

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