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làm giúp mình bài 4 vs phần e,f,g,h,i
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II. Read the passage and choose the correct answer The Great Pyramid at Giza is one of the world's most amazing landmarks. Rising high above the Sahara Desert in the Giza region of northern Egypt, the Great Pyramid stands some 450 feet into the burning desert sky and occupies an area of 13 acres. The rough climate of the Sahara has actually caused the pyramid to shrink 30 feet from its original height. The pyramid was such an amazing feat of engineering that it remained the tallest structure in the world for over 3800 years! The entire pyramid was originally faced with polished limestone to make it shine brilliantly in the sun Most Egyptologists, scientists who study ancient Egypt, agree that the Great Pyramid was built around 2560 BC, a little more than 4,500 years ago. It took tens of thousands of workers twenty years to build. The pyramid contains over two million stone blocks. Although most of the blocks weigh two or three tons, some weigh up to 80 tons! The Great Pyramid of Giza was ordered built by the Pharaoh Khufu as a magnificent tomb. His vizier (advisor), Hemon, is credited with being the pyramid’s architect. Khufu's pyramid is actually part of a complex of pyramids that includes the Pyramid of Khafre, the smaller Pyramid of Menkaure, a variety of smaller pyramids and structures, and the Great Sphinx. The Great Pyramid of Giza is the last remaining of the Seven Wonders of the World. 1. Where is the Great Pyramid NOT located? A. Northern Egypt B. Sahara Desert C. Giza D. Southern Egypt 2. How many stone blocks make up the pyramid? A. 3800 B. 2560 C. More than two million D. 4500 3. Most of the blocks in the pyramid weigh about tons. A. five B. two or three C. 80 D. 4500 4. The Pharaoh ordered the pyramid to built as his . A. Khufu -wonder of the world B. Khufu – tomb C. Hemon - tomb D. vizier - tomb 5. Which is NOT part of complex of pyramids? A. The Great Pyramid of Giza B. The sphinx C. The pyramid of Khafre D. The Tomb of King Tut

54. Xác định a, b.c để hàm số y= ax-1 có đồ thị như hình vẽ bên. Chon dáp án dúng? bx+e A. a=2, b=1,c=-1. B. a= 2, b=1,c% D1. C. a 2, b 2,c=-1. D. a 2, b=-1,c=1. 55. Cho hàm số y=ax +bx + cx+d có do thị như hình vẽ Mệnh để nào sau đây đúng? A. a<0,b >0,c<0,d >0. C. a<0,b<0,c <0,d >0. 56. Hàm số y= ax+bx +cx+d, (a+0) có đồ thị sau B. a>0,b >0,c<0,d >0. D. a<0,b>0,c>0,d >0. A. a>0; b>0; c>0; d > 0. C. a>0; b>0; c= 0; d > 0. B. a>0; b<0; c=0; d > 0. D. a>0; b<0; c> 0; d > 0. 57. Cho hàm số y= ax +bx +c như hình vẽ dưới dây Dấu của a, b và c là A. a<0,b<0, c<0. B. a>0,b<0, c<0. C. a<0,b>0, c<0. D. a>0,b<0, c<0. 58. Cho hàm số bậc bốn y= ax+ bx +c(a 0) có đồ thị như hình vẽ. Mệnh đề nào dưới đây đúng? A. a>0,b<0,c <0. B. a>0,b> 0,c<0. C. a>0,b<0,c>0. D. a<0,b>0,c<0.

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