19.Can dolphins talk?May be they can't talk with words,but they talk with sounds.They show their feelings with sounds.
Dolphins talk to the other dolphins in the school.They give information.They tell when they are happy or sad or afraid.They say"welcome"when a dolphin comes back to the school.They talk when they play.
They make a few sounds above water.They make many more sounds under water.People cannot hear these sounds because they are very,very high.Scientists make tapes of the sounds and study them.
Sometimes people catch a dolphin for a large aquarium (水族館).People can watch the dolphins in a show.Dolphins don't like to be away from their school in an aquarium.They are sad and lonely.
There are many stories about dolphins.They help people.Sometimes they save somebody's life.People don't like to kill them,because they say that dolphins bring good luck.Many people believe this.
51.Dolphins show their feelings withD.
A.picture
B.words
C.water
D.sounds
52.People can't hear the dolphins becauseC.
A.they are above the water
B.they are under the water
C.they are very high
D.they are very low
53.Which one is TRUE according to the passage?B
A.Dolphins swim together in a school because they want to study.
B.They don't study but they travel in a group.
C.Dolphins like to be away from their school on an island.
D.Dolphins like to kill people.
54.People don't like to kill the dolphins becauseD.
A.they help people
B.their meat doesn't taste good
C.they sometimes save people
D.people believe dolphins are the symbols of good luck
55.What does the underlined word"school"mean?D
A.學校
B.教學
C.學習
D.一群.
分析 文章大意:
文章主要講述了一個動物,海豚.海豚是群居性動物,他們會通過超聲波進行交流,同時他們是人類的好朋友.因為人們認為海豚是幸運的象征,所以不會獵殺他們.
解答 51.D,推理判斷題,文中提到They show their feelings with sounds海豚不能說話,但能夠用聲音進行交流,由此確定選擇D.
52.C,推理判斷題,People cannot hear these sounds because they are very,very high人們不能聽見海豚發(fā)出的聲音是因為這些聲音是超聲波,由此確定選擇C.
53.B,推理判斷題,海豚是動物,自然條件下并不會像人一樣學習,同時文中提到They say"welcome"when a dolphin comes back他們會歡迎回來的海豚,由此可知他們生活在一起,也就是群居,由此確定選擇B.
54.D,推理判斷題,文中提到People don't like to kill them,because they say that dolphins bring good luck人們不獵殺海豚是因為他象征著好運,由此確定選擇D.
55.D,詞義猜測題,文中提到Dolphins talk to the other dolphins in the school在school里海豚相互交流,由后文可知海豚是群居動物,所以他們是在群內(nèi)交流,所以school的意思是指種群,族群,由此確定選擇D.
點評 閱讀理解類題目,首先應該閱讀全文,了解大概意思,然后根據(jù)具體問題進行分析作答