For thousands of years, people have known that the best way to understand a concept is to explain it to others. “While we teach, we _______, ”said Roman philosopher Seneca. Now scientists are bringing this ancient _______ up-to-date. They’re _______ why teaching is such a fruitful way to learn.
Researchers have found that students who teach others work harder to _______ the material, and apply it more _______. Student teachers score higher on tests than pupils who’re learning only for themselves. But how can children, _______ learning themselves, teach others? One answer: They can teach younger kids. Some studies have found that first-born children are more _______ than their later-born siblings(兄弟姐妹). This _______ their higher IQs result from the time they spend teaching their siblings.
Now educators are experimenting with ways to _______ this model to schoolwork. They engage college undergraduates to teach computer science to high school students, who then ________ instruct middle school students on the ________. But the most cutting-edge tool is the “teachable agent”—a computerized character who learns, tries, makes mistakes and asks questions just like a real-world ________. Computer scientists have ________ an animated(动画的) figure called Betty’s Brain, who has been “taught” about science by middle school student. Student teachers are motivated to help Betty ________ certain materials. While preparing to teach, they organize their knowledge and ________ their understanding. And as they explain the information to it, they identify problems in their own ________.
Feedback from the teachable agent ________ improves the teachers’ learning. The agents’ questions drive student teachers to think and explain the materials in different ________, and watching the agent solve problems allows them emotions one experiences into action. ________, it’s the emotions one experiences in teaching that help learning. Student teachers feel ________ when their teachable agents fail, but happy when these pupils succeed as they gain pride and satisfaction from someone else’s achievement.
1.A.learn B.doubt C.grow D.practice
2.A.tale B.lesson C.wisdom D.riddle
3.A.valuing B.proving C.questioning D.assuming
4.A.prepare B.preserve C.exchange D.understand
5.A.officially B.effectively C.fluently D.carefully
6.A.still B.even C.though D.once
7.A.curious B.energetic C.independent D.academic
8.A.approves B.witnesses C.suggests D.reviews
9.A.add B.apply C.offer D.show
10.A.as well B.at once C.in turn D.of course
11.A.topic B.event C.schedule D.experiment
12.A.teacher B.parent C.sibling D.pupil
13.A.created B.tended C.invited D.reserved
14.A.arrange B.mark C.master D.link
15.A.keep B.improve C.drop D.reach
16.A.thinking B.reading C.inspiration D.guidance
17.A.shortly B.hardly C.rather D.further
18.A.ways B.cases C.places D.orders
19.A.In all B.After all C.Above all D.For all
20.A.satisfied B.sick C.pleased D.upset
—How is Peter getting along with his new work?
—________. You know, he is always the lucky dog.
A.Just so so. B.Search me.
C.You'd better ask him yourself. D.Never better.
From his ______ expression, we can tell that he was not aware of the topic we were discussing.
A.amazed B.puzzled C.amazing D.puzzling
James has just arrived, but I didn’t know he _______ until yesterday.
A.will come B.was coming C.had come D.came
He was reported ________ in the supermarket when he was doing shopping yesterday.
A.to treat badly B.treating badly
C.to be treated badly D.to have been treated badly
The train due to _______ at 10 am was delayed for 2 hours because of the storm.
A.arriving B.arrive C.be arriving D.having arrived
