河南省洛阳市第一中学2021届高三英语上学期第五次周练试题.doc
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1、河南省洛阳市第一中学2021届高三英语上学期第五次周练试题第一部分 阅读理解(共7小题;每小题2分,满分14分)ATrip to Italy for Spring 2019/Fall 2019 Transfer Students!Dont miss your chance to explore one of the worlds most distinctive countries where history, culture and cuisine combine for an unforgettable experience! View famous art, visit historic
2、 sites, discover unique neighborhoods and outdoor markets, and relax in an outdoor cafe.The trip will consist of 3-4 days in Rome followed by bus transportation to Florence for 3-4 days. Additionally, a one-day trip to Sienna, Pisa or San Gimignano will be included. Topics to be covered during the t
3、rip include: Culture and Language, Art, Literature and History.What does the trip experience include?Roundtrip airfare and ground transportationProgrammed activitiesTotal value of the program is more than$2, 800, but is offered to full-time Spring 2019/Fall 2019 transfers for only$550.Who is eligibl
4、e(符合条件)for the trip?All new transfer students who enter Arcadia in Spring 2019/Fall 2019 can participate in the program.Who will accompany transfer students?Each group of 20 transfer students will travel abroad with one faculty(教员)and one staff member.Is this program restricted to students in specif
5、ic majors?The program is open to transfer students in all majors.Contact Collene Hare at 215-572-2840 or transferarcadia.edu for more information.1. Which of the following is what the students will do in Italy?A. Go to Florence by air. B. Stay in Rome most of the time.C. Visit Sienna, Pisa and San G
6、imignano. D. Go to Florence after their tour of Rome.2. How will the students go to Italy?A. By plane. B. By ship. C. By bus. D. By train.3. Whom is the program for?A. All transfer students in Arcadia. B. New transfer students in Arcadia.C. Students of all majors in Arcadia. D. Students and teachers
7、 in Arcadia.BTo learn new things, we must sometimes fail. But whats the right amount of failure? New research led by the University of Arizona proposes a mathematical answer to that question.Educators have long recognized that there is something of a sweet spot when it comes to learning. That is, we
8、 learn best when we are challenged to grasp something just outside of our existing knowledge. When a challenge is too simple, we dont learn anything new; likewise, we dont expand our knowledge when a challenge is so difficult that we fail entirely or give up.So where does the sweet spot lie? Accordi
9、ng to the new study, its when failure occurs 15% of the time. Put another way, its when the right answer is given 85%of the time.Researchers at the University of Arizona came up with the so-called 85% Rule after conducting a series of machine-learning experiments in which they taught computers simpl
10、e tasks, such as classifying different patterns into one of two categories.The computers learned fastest in situations in which the difficulty was such that they responded with 85% accuracy.If you have an error rate of 15% or accuracy of 85%, you are always maximizing your rate of learning in these
11、two-choice tasks, said Professor Robert Wilson.When we think about how humans learn, the 85%Rule would mostly likely apply to perceptual(感知的)learning, in which we gradually learn through experience and examples, Wilson said. Imagine, for instance, a radiologist(放射科医生)learning to tell the difference
12、between images of tumors(肿瘤)and non-tumors.You need examples to get better at figuring out theres a tumor in an image, Wilson said. If I give really easy examples, you get 100% right all the time and theres nothing left to learn. Youre not going to be taking as much from that as a situation where yo
13、u are struggling a little hit. If I give really hard examples, youll he 50% correct and still not learning anything new, while if I give you something in between, you can he at this sweet spot where you are getting the most information from each particular example.4. Which of the following is linked
14、 with the sweet spot?A. 15 per cent accuracy. B. 50 per cent accuracy.C. 85 per cent accuracy. D. 100 per cent right.5. Why did the researchers teach computers simple tasks?A. To find out where the sweet spot lies.B. To see how well computers carry out tasks.C. To compare the results of their experi
15、ments.D. To conduct some research on machine learning.6. What is the purpose of the examples mentioned in the last paragraph?A. To teach what to do in the treatment of tumors.B. To teach how to determine there is a tumor.C. To help to remember what is learned.D. To help to learn how a tumor develops
16、.7. According to the text, what is the most effective way of learning?A. Not taking failure too seriously. B. Learning through experience and examples.C. Struggling a little bit, but not too much. D. Learning things that are completely new.第二部分 语言运用(共两节,满分45分)第一节(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给的
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