2025年初中学生科普英语竞赛模拟题

初中学生科普英语竞赛（请把你选中旳答案 A、B、C 或 D 做在答题卡或答题纸旳规定位置上。）PART I Science Knowledge (15 分)Directions: There is only one correct answer. Mark the corresponding letter on the Answer Sheet.1.When the ants are first hatched, they are very small and _____. A. hopeless B. useless C. helpless D. legless 2.That new experiment building _____ an area of 5000 square meters. A. includes B. holds C. takes D. covers3.People should get _____ of sleep as they need to feel rested. A. as many hours B. as much hours C. so much hour D. so many hour4.The phenomenon of luck is not all down to chance, but is affected by a person’s _____disposition. A. general B. gentle C. generous D. giant5.The age of fossils can be found by a process _____ carbon dating. A. being called B. called C. calling D. to call6.Suddenly the battery on your mobile phone has _____, you can’t make any call for help. A. run down B. run after C. run off D. run out7.When a plant or animal dies, the carbon 14 in the cells begins to _____. A. break in B. break through C. break up D. break down8.There is no proof that _____ sleep will _____ life. A. short… length B. shorten… lengthC. shortened … lengthen D. shortening … lengthen9.The project team believes such computer would _____in teaching and learning. A. play a major function B. perform a main functionC. play a major role D. display a main role10. Once a heart disease has seriously weakened a patient’s heart, heart _____ can be performed to save his life. A. transplants B. transportation C. translations D. transforms11. When readers were asked _____ animals should be used for medical research, nearly 80 percent said yes. A. which B. what C. where ...