题目

阅读理解Individual innovation is considered one sign of intelligence within species, and elephants are among the animals that researchers have long taken an interest in because of their approach to problem solving. A newly-published study details findings from a six-month-long study documenting the abilities of individual wild Asian elephants to access food by solving puzzles that unlocked storage boxes. "This is the first research study to show that individual wild elephants have different willingness and abilities to solve problems in order to get food" said the study's lead author Sarah Jacobson, a psychology doctoral candidate. "This is important knowledge, because how animals think and innovate may influence their ability to survive in environments that are rapidly changing due to human presence."Conducted at the Salakpra Wildlife Sanctuary in Kanchanaburi, Thailand, the study used motion-activated cameras to observe 77 wild Asian elephants who approached and decided whether to attempt to open puzzle boxes with three different compartments(隔层)that contained highly sweet jackfruit. Depending on the compartment with which the elephant interacted, the jackfruit could be accessed by pulling on a chain so the door opened toward the elephant, pushing the door so that it swung open into the box, or sliding the door open to the right. The elephants had to independently interact with the puzzle boxes to discover how the compartments could be opened. Over time, 44 of the elephants who approached the puzzle boxes interacted with them, but there were individual differences in how innovative the elephants were. The researchers found that elephants who interacted with the puzzle boxes more frequently and with greater persistence were more successful in getting food from all three different compartments. Overall, 11 elephants solved one compartment type and eight solved two types. Five elephants solved all three types. "Conflict involving humans and elephants is increasing due to loss of natural habitat," said the study's principal investigator Dr. Joshua Plotnik. "Investigating innovation and problem solving in elephants can inform our understanding of wild elephants and their potential impact on conservation management and human-elephant conflict mitigation(缓解)." （1） What is the significance of the study? A . It points out wild elephants' food preference. B . It confirms wild elephants are intelligent animals. C . It reveals wild elephants' secrets to looking for food. D . It proves wild elephants differ in problem-solving ability. （2） What is mainly talked about in Paragraph 3? A . The aim of the experiment. B . The method of the experiment. C . The principle of the experiment. D . The process of the experiment. （3） What matters for the elephants to get food in the compartments according to the researchers? A . Their willingness and persistence. B . Their maturity and hunger level. C . Their curiosity and body flexibility. D . Their persistence and interpersonal interaction. （4） What does Dr. Joshua Plotnik imply? A . Humans should live in harmony with elephants. B . Elephant conservation didn't work as expected. C . The research on wild elephants is of great importance. D . The conflict between humans and elephants is beyond control. 答案： D B A C

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