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1、2024年衡水金卷先享题英语四
2、2024衡水金卷先享题分科综合卷英语二
3、2024衡水金卷分科综合卷英语
4、2024衡水金卷先享题全国卷二
5、2024衡水金卷先享题答案高三一轮英语
6、2023-2024衡水金卷先享题答案英语
7、衡水金卷先享题答案2024英语全国二卷
8、2024衡水金卷先享题分科综合卷全国二卷
9、衡水金卷先享题分科综合卷2024英语一答案
10、2024衡水金卷先享题答案英语二

29.What causes academic performanee gaps according to the study?A.The learning rate.B.The learning outcome.C.The learning task.D.The learning opportunity.30.What are we supposed to do according to the new study?A.Stick to our learning goals wherever we start.B.Take different routes to learn something new.C.Try every means to increase our learning rate.D.Seek learning opportunities at a very young age.31.What is the best title for the text?erA.How can you learn something faster?B.What is behind your academic success?gC.Why is the achievement gap growing?D.Where is our starting point of learning?DHow you fold a paper airplane can determine how fast or how far it goes.A lot of peoplearrive at the best designs through trial and error,and perhaps a little bit of luck.But thisquestion is no child's play for the researchers at the Swiss Federal Institute of TechnologyLausanne.“Seemingly a simple toy,the paper airplane actually shows complex aerodynamic(空气a动力学的)behaviors which are most often ignored,”the researchers said.“When the paperairplane is launched,there are complex physical interactions between the paper structure andthe surrounding air,leading to a particular flight behavior."To examine the relationship between a folding pattern and the flight,they developed arobotic system that can make various paper planes and then test,analyze,and model theirflight behaviors.In this experiment,the robot made and launched over 500 paper airplaneswith 50 different designs.Then it collected data on how far each design flew and thecharacteristics of that flight.The researchers sorted different shapes roughly into three types of"behavioral groups".The first type follows a nosedive (path,which means a short flight distance beforelanding on the ground.The second type does a glide ()falling at a consistent andrelatively controlled rate,and covers a longer distance than the nosedive.The third type is arecovery glide,falling steadily before leveling off and staying at a certain height above theground."With the high precision and automation of the robotic system,large-scale experimentscan be performed to improve design,"the researchers noted."The robot designer can deepenour understanding and exploration of design problems,and could otherwise be challenging toobserve any behavior."This insight can also apply to the changeable flight paths of small flying vehicles."These【高二英语第6页（共10页）】