The dogs (吓)the thief away.——青夏教育精英家教网—

The dogsled race was about to begin. Julie's team of dogs was lined up at the starting gate. Julie stood behind them. Other teams were 　1　 up, too, and the dogs were excited. Julie kept her　 2　 on the clock. At exactly ten o'clock, she and the other racers shouted, “Mush!” The dogs knew that meant, “　 3　 !” They jumped forward and the　 4　 started!

　　Now, Julie's team ran up and down over the snowy hills. They　 5　 only to rest and eat. They wanted to stay　 6　 of the other teams. The racers had to go a thousand miles across Alaska. Alaska is one of the　 7　 places on Earth. The dogs' thick fur coats helped　 8　them warm in the cold wind. In many places along the way, the snow was deep. Pieces of ice were as　 9　 as a knife. The ice could cut the dogs' feet. To keep that from　 10　 , Julie had put special boots on their feet.

　　At first, the dogs seemed to　 11　 the sled very slowly. They were　 12　 getting used to the race. But on the third day out, they began to run more　　13　 . They worked　 14　 a team and passed many of the other racers. Once, one of the sled's runners fell into a hole and 15　 . Julie could have given up then, but she didn't. She fixed it and they kept going.

　　When they finally reached the finish line, they found that they had come in first place! It was a great day for Julie and her dogs.

1.A. lined	B. looked	C. called	D. picked
2.A. runners	B. hands	C. dogs	D. eyes
3.A. Begin	B. Rush	C. Hurry	D. Go
4.A. game	B. race	C. play	D. test
5.A. went	B. ran	C. stopped	D. asked
6.A. tired	B. ahead	C. afraid	D. free
7.A. wettest	B. highest	C. coolest	D. coldest
8.A. keep	B. make	C. find	D. leave
9.A. strong	B. hard	C. thick	D. sharp
10.A. coming	B. hurting	C. happening	D. cutting
11.A. push	B. pull	C. walk	D. drive
12.A. still	B. already	C. usually	D. almost
13.A. hardly	B. happily	C. quickly	D. quietly
14.A. as	B. on	C. for	D. with
15.A. died	B. failed	C. broke	D. disappeared

查看习题详情和答案>>

阅读理解

　　Dogs have an understanding of fair play and become angry if they feel that another dog is getting a better deal, a new study has found．

　　The study looked at how dogs react when a companion is rewarded for the same trick in an unequal way．Friederike Range, a famous researcher, and her colleagues did a series of experiments with dogs who knew how to respond to the command “give the paw”．The dogs were normally happy to repeatedly give the paw, whether they got a reward or not．

　　But that changed if they saw that another dog was being rewarded with a piece of food, while they received nothing．The dogs hesitated significantly longer when obeying the command to give the paw．Eventually, the unrewarded dogs stopped cooperating．

　　Researchers always assumed that only humans pay close attention to unfairness．That changed in 2003 when Frans De Waal, a professor of psychology, and a colleague named Sarah Brosnan did a survey on monkeys．Monkeys had to hand a small rock to researchers to get a piece of cucumber(黄瓜)in return．However, the monkeys would suddenly become angry when receiving the piece of cucumber if they saw another monkey receive a more delicious reward, such as a grape, for doing the same job．The monkey that got the cucumber would eventually throw away the food and the rock, and would later just stop performing．

　　In that experiment, the monkeys considered the fairness of two different types of payment, but when Range and her colleagues did a similar study with their trained dogs, testing to see if dogs would become upset if they only got bread when other dogs received sausage, they found that dogs did not make that kind of subtle(细微的)distinction．As long as the dogs got some kind of food payment, even if it wasn’t the most delicious kind, they would play along．

(1)

The dogs refused to give their paws when they _________．
[　　]
A．	were given too much reward
B．	realized they received less food
C．	found another dog was given nothing
D．	felt they were being treated unequally

(2)

The underlined word “that” in Paragraph 3 probably refers to “_________”．
[　　]
A．	the dogs obeyed the command happily
B．	the dogs waited for a reward
C．	the dogs hesitated to give the paw
D．	the dogs stopped cooperating

(3)

The monkeys would become angry if they found _________．
[　　]
A．	they were being given the same type of food
B．	another monkey did much less work
C．	another monkey was offered tastier food
D．	other monkeys threw food and rocks

(4)

Range finds that, compared with monkeys, dogs _________．
[　　]
A．	enjoy playing interesting games with humans
B．	prefer to do the same jobs as humans
C．	pay little attention to the type of reward received
D．	aren’t sensitive to the stimulation(刺激)of food

查看习题详情和答案>>

The dogsled race was about to begin. Julie's team of dogs was lined up at the starting gate. Julie stood behind them. Other teams were 　1　 up, too, and the dogs were excited. Julie kept her　 2　 on the clock. At exactly ten o'clock, she and the other racers shouted, “Mush!” The dogs knew that meant, “　 3　 !” They jumped forward and the　 4　 started!

　　Now, Julie's team ran up and down over the snowy hills. They　 5　 only to rest and eat. They wanted to stay　 6　 of the other teams. The racers had to go a thousand miles across Alaska. Alaska is one of the　 7　 places on Earth. The dogs' thick fur coats helped　 8　them warm in the cold wind. In many places along the way, the snow was deep. Pieces of ice were as　 9　 as a knife. The ice could cut the dogs' feet. To keep that from　 10　 , Julie had put special boots on their feet.

　　At first, the dogs seemed to　 11　 the sled very slowly. They were　 12　 getting used to the race. But on the third day out, they began to run more　　13　 . They worked　 14　 a team and passed many of the other racers. Once, one of the sled's runners fell into a hole and 15　 . Julie could have given up then, but she didn't. She fixed it and they kept going.

　　When they finally reached the finish line, they found that they had come in first place! It was a great day for Julie and her dogs.

1.A. lined	B. looked	C. called	D. picked
2.A. runners	B. hands	C. dogs	D. eyes
3.A. Begin	B. Rush	C. Hurry	D. Go
4.A. game	B. race	C. play	D. test
5.A. went	B. ran	C. stopped	D. asked
6.A. tired	B. ahead	C. afraid	D. free
7.A. wettest	B. highest	C. coolest	D. coldest
8.A. keep	B. make	C. find	D. leave
9.A. strong	B. hard	C. thick	D. sharp
10.A. coming	B. hurting	C. happening	D. cutting
11.A. push	B. pull	C. walk	D. drive
12.A. still	B. already	C. usually	D. almost
13.A. hardly	B. happily	C. quickly	D. quietly
14.A. as	B. on	C. for	D. with
15.A. died	B. failed	C. broke	D. disappeared

查看习题详情和答案>>

阅读理解

　　Dogs wag(摇摆) their tails in different directions depending on whether they are excited and wanting to move forward or threatened and thinking of moving back, a study has found．

　　Researchers in Italy　examined the tail wagging behaviour of 30 dogs, catching their responses to a range of stimuli(刺激物) with video camems．To conduct the study they chose 15 male dogs and 15 female ones aged between one and six years．The dogs were all family pets whose owners had allowed them to take part in the experiment at Bari Umversity．The dogs were placed in a large wooden box with an opening at the front to allow for them to view various stimuli．They were tested one at a time．

　　The researchers led by Professor Giorgio Vallortigara of the University of Trieste found that when the dogs were shown their owners－a positive expenence－their tails wagged energetically to the right side．When they were shown an unfamiliar human they wagged to the right, but with somewhat less enthusiasm．The appears of a cat again caused a right-hand side wag, although with less intensity again．The appearance of a large unfamiliar dog, similar to a German shepherd, changed the direction of tail wagging to the left．Research ers supposed the dog was thinking of moving back．When the dogs were not shown any stimuli they tended to wag their tails to the left, suggesting they preferred company．While the changes in the tail wagging were not easily noticed without the aid of video, it was thought that the findings could help people judge the mood)心情) of dogs．Computer and video systems, for example, could be used by professional dog trainers to determine the mood of dogs that they were required to approach．

(1)

The video cameras were used to catch the dogs’ responses because ________．
[　　]
A．	it was easier to catch the dogs’response changes in the tail wagging
B．	the dogs were put in the wooden boxes and tested one at a time．
C．	they enabled the dogs’owners to know about their dogs’habit
D．	the dogs wagged their tails in different directions when they were in different moods

(2)

The underlined word“intensity” in the passage means ________．
[　　]
A．	surprise
B．	worry
C．	excitement
D．	interest

(3)

When there are no stimuli, a dog will ________．
[　　]
A．	wag to the left
B．	wag to the right
C．	not wag at all
D．	wag to the left and then to the right

(4)

The underlined word “they” refers to ________．
[　　]
A．	the dogs
B．	the trainers
C．	the systems
D．	the rescarchers

(5)

The purpose of doing the experiment is ________．
[　　]
A．	to train dogs for their owners
B．	to help people judge the mood of dogs
C．	to help dogs find company
D．	to help people choose their pet dogs

查看习题详情和答案>>

从所给的四个选项中选择最佳答案

They fought like cats and ______.

[　　]

A．the dogs　　　B．dogs

C．a dog　　　　D．dog

查看习题详情和答案>>

试题分类