- CÒN đoạn - 485. Bùng phát từ được gạch dưới, vì nó được sử dụng trong đoạn đầu tiên của đoạn văn, gần nhất có nghĩa là a. một số lượng ngày càng lớn. b. một số lượng giảm. c. một số lượng nổi tiếng. d. một số lượng vô hạn | LONGER PASSAGES 485. The underlined word upsurge as it is used in the first paragraph of the passage most nearly means a. an increasingly large amount. b. a decreasing amount. c. a well-known amount. d. an immeasurable amount. 486. The concluding paragraph of this passage infers which of the following a. There is no definitive line between those animals with intelligence and those without. b. Animals are being given opportunities to display their intelligence. c. Research showing higher animal intelligence may fuel debate on ethics and cruelty. d. Animals are capable of untrained thought well beyond mere instinct. 487. According to the passage which of the following is true about animals communicating through the use of human language a. Parrots can imitate or repeat a sound. b. Dolphins click and whistle. c. Crows screech warnings to other crows. d. Chimpanzees and gorillas have been trained to use sign language or geometric shapes that stand for words. 488. In paragraph 3 what conclusion can be reached about the chimpanzee s ability to use a tool a. It illustrates high intelligence because he is able to get his food and eat it. b. It illustrates instinct because he faced a difficult task and accomplished it. c. It illustrates high intelligence because he stored knowledge away and called it up at the right time. d. It illustrates high intelligence because termites are protein-packed. 489. Which of the following is NOT a sign of animal intelligence a. shows insight b. cues c. uses tools d. makes a plan 1 Glaciers consist of fallen snow that compresses over many years into large thickened ice masses. Most of the world s glacial ice is found in Antarctica and Greenland but glaciers are found on nearly every continent even Africa. Presently 10 of land area is covered with glaciers. Glacial ice often appears blue because ice absorbs all other colors but reflects blue. Almost 90 of an iceberg is below water only about 10 shows above water. What makes glaciers unique is
