ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2012 VÒNG – ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi The picture above shows a sea arch As erosion from ocean waves continues, what will most likely happen to the hole in this landform? A It will become larger B It will fill with sediment C It will remain the same size D It will be covered with water 2 At which point will the roller coaster have the greatest potential energy? A point A B point B C point C D point D The length of a baby giraffe's neck increases steadily during its first year of life Which graph shows this? A B C D Study the menus above Which of the four menus is the least healthy? A Menu B Menu C Menu D Menu Tommy holds a sheet of paper in one hand and a large rubber eraser in the other hand He drops both from the same height at the same time The eraser hits the floor first Which is the best reason the sheet of paper lands second? A The paper has less volume B The eraser has greater mass C The paper has greater air resistance D The temperature of the room is too high The picture above shows a bat flying in the dark while making a high-pitched sound The bat uses sound to find objects in the dark What serves the same purpose for a pilot flying an airplane? A engine B fuel gauge C landing gear D radar system Which of the following combine to form a molecule? A atoms B neutrons C mixtures D protons Which system is responsible for delivering nutrients and oxygen and removing wastes and carbon dioxide? A muscular system B immune system C nervous system D circulatory system What happens when a piece of wood burns? A A physical change takes place B A chemical change takes place C The wood loses its gravity D The wood loses its inertia 10 Which solution has the greatest amount of sugar per milliliter of water? A Solution A B Solution B C Solution C D Solution D ... length of a baby giraffe's neck increases steadily during its first year of life Which graph shows this? A B C D Study the menus above Which of the four menus is the least healthy? A Menu B Menu... place B A chemical change takes place C The wood loses its gravity D The wood loses its inertia 10 Which solution has the greatest amount of sugar per milliliter of water? A Solution A B Solution