阅读下列短文，从所给的四个选项中，选出最佳答案。

　　     A team of scientists proved that seals(海豹)had a very good sense　　 of hearing. These men trained blind seals to expect food when they　　 heard sounds. The seals always began snap ping(猛咬)when a strong　　 signal was sounded.

　　     It was proved that even a soft single, a considerable distance　　 (相当远的距离)away, could make these sea animals respond(起反应). That　　 should make the fisherman who makes much noise while working, or talks　　 loudly, start thinking.

　　     The same team of scientists also trained seals to recognize　　 different sounds. One bell tone meant food, two-bell tones meant no　　 food. In the beginning, the seals made mistakes when the two-bell　　 tones were sounded. They were given a light tap after each mistake.　　 The seals were good learners. They easily learned to tell the　　 difference between the sounds.

(1)  Why was it necessary to use blind seals? Because they _______　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　［　　］　　 　　A. were unable to use sight for clues(线索).　　 　　B. had better hearing. 　　C. were waiting to be fed.　　 　　D. were the only animals to be found. 

(2)  To those seals strong signal meant _______　　　　　　  ［　　］　　 　　A. snapping.　　B. nothing.　　C. food.　　D. a light tap.   

(3) The article doesn't say directly but suggests that fishermen 　　 　　usually think _______　　　　　　　　　　　　　　　　  ［　　］　　 　　A. seals have no sense of hearing.　　 　　B. seals have good sense of hearing.　　 　　C. seals can only recognize bell sounds　　 　　D. seals can not hear soft and long distant sounds. 

(4) Light taps were given to those who ____.　　　　　　　　［　　］　　 　　A. expected food　　B. came for food　　 　　C. made mistakes　　D. recognized the sounds 

(5) Which title will be the best to suit the article?　　   ［　　］　　 　　A. Clever Seals.　　　　　　B. Smart Learners.　　 　　C. An Underwater School.　　D. An Unknown School.

阅读理解

　　A team of scientists proved that seals (海豹) had a very good sense of heating. These men trained blind seals to expect food when they heard sounds. The seals always began snapping (猛咬) when a strong signal was sounded.

　　It was proved that even a soft signal, a considerable distance (相当远的距离) away, could make these sea animals respond (起反应). That should make the fisherman who makes much noise while working, or talks loudly, start thinking.

　　The same team of scientists also trained seals to recognize different sounds. One bell-tone meant food, two bell-tones meant no food. In the beginning, the seals made mistakes when the two-bell tones were sounded. They were given a light tap after each mistake. The seals were good learners. They easily learned to tell the difference between the sounds.

1．Why was it necessary to use blind seals?

[　　]

A．were unable to use sight for clues (线索)

B．had better hearing

C．were waiting to be fed

D．were the only animals to be found

2．To those seals strong signal meant ________.

[　　]

3．The article doesn't say directly but suggests that fishermen usually think ________.

[　　]

A．seals have no sense of hearing

B．seals have good sense of hearing

C．seals can only recognize bell sounds

D．seals can not hear soft and long distant sounds

4．Light taps were given to those who ________.

[　　]

A．expected food

B．came for food

C．made mistakes

D．recognized the sounds

假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号（∧）, 并在其下面写上该加的词。

删除：把多余的词用斜线（\）划掉。

　　修改：在错的词下划一横线，并在该词下面写上修改后的词。　　注意：1. 每处错误及其修改均仅限一词；

　　 2. 只允许修改10处，多者（从第11处起）不计分。

　　例如：

My friend Li Hua come to visit me on May Day. During the following days I showed he

　　around the city of Hangzhou. We went to the Museum in the morning of May 2, and we

　　learned many about the history of Zhejiang. In the afternoon, we made a tour to West Lake. It

　　was really great funny! In the evening I took Li Hua to the night zoo there. It was too

　　interesting to see animal at night. The next day we went to the bookshop to buy books.

　　Though we were very tiring in those two days, but we enjoyed ourselves very much.