高中英语高三复习练习题高中英语高三复习练习题.doc

1.【题文】Though giant pandas may appear perfectly happy chewing bamboos, scientists recently discovered that they would rather have something sweeter. Scientists chose 1 because the animals are herbivores (食草动物), which would mean that they would love sweets. However, the plant they choose, the bamboos, has a very 2 sugar content and is therefore not considered sweet. Could this mean that pandas have 3 their hobby for sweet things? The pandas were given six kinds of sweet liquids that are 4 found in fruits and vegetables. They were also given 5 at the same time. In each of the taste tests, the animals 6 the natural sweeter liquids and ignored the water 7 . They ate up all the sweet liquids and the water was left untouched. What was even more interesting is that when the scientists 8 the water with five different man-made sweeteners, ones that humans find delicious, the pandas were not as 9 . In these tests, they picked the water instead. The scientists believe that it could be either because pandas found them to be too 10 or not sweet enough and that the mixture could not 11 the pandas. The scientists were not too 12 by the results, since pandas in zoos have always shown a preference for treats like apples, sweet potatoes and even mooncakes. Scientists believe that the pandas may have once 13 sweeter foods that were available in the lowland areas that they used to live in. But when human settlement in the lowland areas 14 them to the bamboo forests in the mountains, they had no 15 but to settle for the almost sugarless plants. 1. A. horses B. bears C. monkeys D. pandas 2. A. high B. simple C. low D. different 3. A. lost B. followed C. started D. kept 4. A. specially B. hardly C. naturally D. rarely 5. A. fruits B. water C. bamboos D. oxygen 6. A. picked B. hid C. rejected D. shared 7. A. largely B. gradually C. occasionally D. completely 8. A. mixed B. covered C. exchanged D. replaced 9. A. funny B. picky