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Have you ever wondered why birds sing? M...

Have you ever wondered why birds sing? Maybe you thought that they were just happy. After all, you probably sing or whistle when you are happy.

Some scientists believe that birds do sing some of the time just because they are happy. However they sing most of the time for a very different reason. Their singing is actually a warning to other birds to stay out of their territory.

Do you know what a territory is? A territory is an area that an animal, usually the male, claims as its own. Only he and his family are welcome there. No other families of the same species are welcome. Your yard and house are your territory where only your family and friends are welcome. If a stranger should enter your territory and threaten you, you might shout. Probably this would be enough to frighten him away.

If so, you have actually scared the stranger away without having to fight him. A bird does the same thing. But he expects an outsider almost any time, especially at nesting(筑巢) season. So he is screaming all the time, whether he can see an outsider or not. This screaming is what we call a bird’s song, and it is usually enough to keep an outsider away.

Birds sing loudest in the spring when they are trying to attract a mate and warn others not to enter the territory of theirs.

You can see that birds have a language of their own. Most of it has to do with attracting mates and setting up territories.

1.Some scientists believe that most of the time bird’s singing is actually ________.

A.an expression of happiness B.a way of warning

C.an expression of anger D.a way of greeting

2.What does the underlined word “territory’’ mean?

A.A place where families of other species are not accepted.

B.A place where a bird may shout at the top of its voice.

C.An area for which birds fight against each other.

D.An area which a bird considers to be its own.

3.Why do birds keep on singing at nesting season?

A.Because they want to invite more friends.

B.Because their singing helps frighten outsiders away.

C.Because they want to find outsiders around.

D.Because their singing helps get rid of their fears.

4.How does the writer explain bird’s singing?

A.By comparing birds with human beings.

B.By reporting experiment results.

C.By describing birds’ daily life.

D.By telling a bird’s story.

 

1.B 2.D 3.B 4.A 【解析】 本文是说明文。文章介绍了鸟为什么会唱歌,大部分鸟的歌声是一种警告,为了保护自己的领地不被外来者侵犯。 1.细节理解题。根据第二段中Their singing is actually a warning to other birds to stay out of their territory.(它们的叫声实际上是警告其他鸟类不要进入它们的领地)可知,一些科学家认为鸟的唱歌实际上是一种警告。故选B。 2.词义猜测题。根据划线词所在句后的A territory is an area that an animal, usually the male, claims (声称) as its own.(领地是一种动物,通常是雄性宣称拥有自己领土的区域),由此推知,划线词territory意为“鸟认为属于自己的地方”。故选D。 3.细节理解题。根据最后一段中This screaming is what we call a bird’s song, and it is usually enough to keep an outsider away.(这种尖叫就是我们所说的鸟的歌唱,通常足以让外来者远离)可知,在筑巢的时候鸟的歌唱是为了赶走外来者。故选B。 4.细节理解题。根据第一段中After all, you probably sing when you are happy. Some scientists believe that birds do sing some of the time just because they are happy. However, they sing most of the time for a very different reason.(毕竟,你可能在高兴的时候唱歌。一些科学家认为,鸟类有时唱歌只是因为它们高兴。然而,它们大多数时候唱歌的原因却大不相同)可知,作者用鸟和人的比较来解释鸟的歌唱的。故选A。
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阅读下面短文,根据所给情节进行续写,使之构成一个完整的故事。

Jenny was the only child in her family. She had a quarrel with her mother that afternoon and she ran out of the house angrily. She couldn't help weeping(哭泣) sorrowfully(悲伤地) when she thought of the scolding(责骂) from her mother. Having wandered(游荡) aimlessly in the street for hours, she felt a little hungry and wished for something to eat. She stood beside a stand(货摊) for a while, watching the middle-aged seller busy doing his business. However, with no money in hand, she gave a sigh(叹气) and had to leave. The seller behind the stand noticed the young girl and asked, “Hey, girl, you want to have the noodles?” “Oh, yes, but I don't have money on me,” she replied.

“That's nothing. I'll treat you today,” said the man “Come in.” The seller brought her a bowl of noodles, the smell so attractive. As she was eating, Jenny cried silently. “What is it?” asked the man kindly. “Nothing. Actually I was just touched by your kindness!” said Jenny as she wiped(擦拭) her tears. “Even a stranger on the street will give me a bowl of noodles, while my mother drove me out of the house. She showed no care for me. She is so merciless(无情的) compared to a stranger!” Hearing the words, the seller smiled, “Girl, do you really think so? I only gave you a bowl of noodles and you thanked me a lot. But it is your mother who has raised you since you were a baby. Can you number the times she cooked for you? Have you expressed your gratitude(感激) to her?” Jenny sat there, speechless and numb(麻木的) with shock; she remembered her mother's familiar face and weathered (变形)hands. “Why didn't I think of that? A bowl of noodles from a stranger made me feel indebted(感激的). Why haven't I thanked my mum for what she has done for me?” On the way home, Jenny made up her mind to make an apology to her mother for her rudeness as soon as she arrived home.

注意:1.所续写短文的词数应为150左右;

2.至少使用5个短文中标有下划线的关键词语;

3.续写部分分为两段,每段的开头语已为你写好;

4.续写完成后,请用下划线标出你所使用的关键词语。

Paragraph 1:

Approaching the doorway,.

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Paragraph 2:

A gentle touch on her hair called her mind back.

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

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