A carrot is ___________ .
A.a(chǎn) flowerB.a(chǎn) stemC.a(chǎn) leafD.a(chǎn) root
D解析:
此題重點考查生物知識,胡蘿卜是根而不是花,也不是葉子。
練習冊系列答案
相關習題

科目:初中英語 來源:廣東省茂名市愉園中學2011-2012學年九年級第二次統(tǒng)測英語試題 題型:050

閱讀理解

閱讀下面文章,根據(jù)文章內(nèi)容,從每小題所給的A、B、C、D四個選項中選出能回答所提問題或完成所給句子的最佳答案。

  It was so dark outside the car window that is was hard to see anything.

  “Can I have a carrot, Mum?” Riley asked.

  “I don't have any carrots,” her mum said.“How about an apple?”

  “No,” said Riley.“It has to be a carrot.”

  “Why do you want a carrot?” asked her mum.

  “You always say carrots help your eyes,” said Riley.“If I eat one now, it might help me see in the dark.”

  Would eating a carrot really help Riley? What is special about carrots? A clue to what makes a carrot special is its color.Carrots are orange because they store beta-carotene(胡蘿卜素).Beta-carotene is a way to talk about Vitamin A(維生素A).Your eyes need Vitamin A.It helps them work.

  When light hits your eye, very small parts inside turn the light into messages.The messages go to your brain(腦),and then you know what you're looking at.Your eye can only turn light into messages when it has a special chemical(化學物質(zhì)).That's where Vitamin A comes in.Your eyes use Vitamin A to make the special chemical.Every time your eye changes light to messages, a little bit of the chemical is used up.By the end of the day, you've looked at hundreds of things.That uses up a lot of the chemical.Your eyes need to make more.

  What should you eat if you don't like carrots? Don't worry.Other fruits and vegetables have Vitamin A too.The secret is in their color.Most orange or red fruits store some beta-carotene, or Vitamin A.Sweet potatoes, red peppers, mangoes(芒果)are a few that have the same orange secret.Can you think of any more?

(1)

Riley wanted a carrot because she thought ________.

[  ]

A.

she liked it

B.

she was thirsty

C.

it could help her see in the dark

D.

it was sweet and delicious

(2)

The word “clue” here in Chinese means ________.

[  ]

A.

告知

B.

線路

C.

方法

D.

線索

(3)

How can Vitamin A help your eyes work?

[  ]

A.

The special chemical can stop your eyes from using up Vitamin A.

B.

Vitamin A can stop your eyes from using up the special chemical.

C.

The special chemical is used to make Vitamin A the light is turned

into messages with.

D.

Vitamin A is used to make the special chemical the light is turned

into messages with.

(4)

Which one is NOT TRUE according to the above passage?

[  ]

A.

Carrots are orange because they store beta-carotene.

B.

Any food which is orange or red must have some Vitamin A.

C.

Most fruits that are orange or red store some beta-carotene or

Vitamin A.

D.

Sweet potatoes, red peppers, and mangoes have the same orange secret.

(5)

The passage mainly tells us that ________.

[  ]

A.

we can't see clearly in the dark unless we eat any carrots every day

B.

we can't see clearly unless we eat any orange or red food every day

C.

we should eat some food with Vitamin A so that we can see clearly

D.

we should eat some fruit with beta-carotene so that we can see in the dark

查看答案和解析>>

科目:初中英語 來源:2012-2013學年江蘇興化安豐中學七年級下學期第二次月考英語卷(帶解析) 題型:完型填空

One day Daddy and I went out    1    a walk. On the way we   2   a lot of people. We went up and   3   a look. Oh, dear!   4  did we see? There   5   a donkey(驢) in the middle of the road. It would not move. The cars and buses could not get    6  .
Then a policeman came. "   7  donkey is this?" he asked. "It' s   8   ," said a farmer, "but I   9  move it. " The policeman and the farmer did  10  best to move the donkey, but it would not move. We laughed, but the   11   of the cars and the buses were    12   . "We can't move the donkey," the farmer and the policeman said. "What shall we do?"
"Give him a carrot," my father said.
"   13  a good idea!" said the farmer.
Soon he found a    14   and showed it to the donkey. When the donkey saw a carrot, it jumped up and walked after the farmer.   15   the cars and buses could get past at last.

【小題1】
A.forB.fromC.a(chǎn)tD.on
【小題2】
A.saw B.looked C.looked for D.watched
【小題3】
A.enjoyed B.had C.played D.gave
【小題4】
A.When B.Where C.What D.Which
【小題5】
A.is B.was C.has D.had
【小題6】
A.pastB.toC.onD.up
【小題7】
A.Who B.Who's C.Which's D.Whose
【小題8】
A.mineB.meC.youD.my
【小題9】
A.can B.can't C.could D.couldn't
【小題10】
A.his B.her C.their D.its
【小題11】
A.drivers B.workers C.riders D.teachers
【小題12】
A.worriedB.happyC.gladD.pleased
【小題13】
A.He's B.She's C.Which is D.That's
【小題14】
A.carrotB.catC.dogD.camel
【小題15】
A.Some of B.Little of C.All D.Few of

查看答案和解析>>

科目:初中英語 來源:2013屆福建省泉州一中九年級上學期期中考試英語試卷(帶解析) 題型:閱讀理解


It was so dark outside the car window that it was hard to see anything.
“ Can I have a carrot, Mom?” Bruce asked.
“I don’t have any carrots,” his mom said. “How about an apple?”
“No,” said Bruce. “It has to be a carrot.”
“Why do you want a carrot?” asked his mom
“You always say carrots help your eyes.” said Bruce. “If I eat one now, it might help me see in the dark.”
Would eating a carrot really help Bruce? What is special about carrots? What makes a carrot special is its color. Carrots are orange because they contain(包含) bta-carotene( 胡蘿卜素). Beta-carotene is a way of saying vitamin A. Your eyes need vitamin A. It helps them work.
When light hits your eye, very small parts inside turn the light into messages. The messages go to your brain(大腦), and then you know what you’re looking at. Your eye can only turn light into messages when it has a special chemical(化學物質(zhì)). Your eyes use vitamin A to make the special chemical. Every time your eye changes light into messages, a little bit of the chemical is used up. By the end of the day, you’ve looked at hundreds of things. That uses up a lot of the chemical. Your eyes need to make more.
What should you eat if you don’t like carrots? Don’t worry. Other fruits and vegetables have vitamin A, too. The secret is in their color. Most orange or red fruits and vegetables contain beta-carotene, or vitamin A, Sweet vegetable, red peppers(胡椒), Mangoes(芒果) are a few foods that have the same orange secret.
【小題1】 Bruce wanted a carrot because he thought _______.
A. he liked it
B. it could help him see in the dark
C.  it was sweet and delicious
【小題2】How does vitamin A help your eyes work?
A. The special chemical can stop your eyes from using up vitamin A.
B. The special chemical is used to make Vitamin A which turns the light into messages
C. Vitamin A is used to make the special chemical which turns light into messages.
【小題3】 Which of the following is NOT true according to the passage?
A. Carrots are orange because they store beta-carotene.
B. Any food which is orange or red must have some Vitamin A.
C. Most fruits that are orange or red store some beta-carotene or Vitamin A.
【小題4】 Sweet vegetable, red peppers, and mangoes don’t have the same orange secret, do they?
A. No, they don’t.     B. Yes, they do.     C. I’m not sure.
【小題5】 The passage mainly tells us that _______.
A. we can’t see in the dark unless we eat many carrots every day
B. we can’t see unless we eat a lot of orange or red food every day
C. we should eat some food containing vitamin A so that we can see well

查看答案和解析>>

科目:初中英語 來源:2015屆江蘇興化安豐中學七年級下學期第二次月考英語卷(解析版) 題型:完型填空

One day Daddy and I went out    1    a walk. On the way we   2   a lot of people. We went up and   3   a look. Oh, dear!   4  did we see? There   5   a donkey(驢) in the middle of the road. It would not move. The cars and buses could not get    6  .

Then a policeman came. "   7  donkey is this?" he asked. "It' s   8   ," said a farmer, "but I   9  move it. " The policeman and the farmer did  10  best to move the donkey, but it would not move. We laughed, but the   11   of the cars and the buses were    12   . "We can't move the donkey," the farmer and the policeman said. "What shall we do?"

"Give him a carrot," my father said.

"   13  a good idea!" said the farmer.

Soon he found a    14   and showed it to the donkey. When the donkey saw a carrot, it jumped up and walked after the farmer.   15   the cars and buses could get past at last.

1.                A.for            B.from           C.a(chǎn)t   D.on

 

2.                A.saw            B.looked          C.looked for     D.watched

 

3.                A.enjoyed        B.had            C.played    D.gave

 

4.                A.When          B.Where         C.What     D.Which

 

5.                A.is             B.was            C.has D.had

 

6.                A.past           B.to             C.on   D.up

 

7.                A.Who           B.Who's          C.Which's   D.Whose

 

8.                A.mine           B.me            C.you  D.my

 

9.                A.can            B.can't           C.could    D.couldn't

 

10.               A.his            B.her            C.their D.its

 

11.               A.drivers         B.workers        C.riders     D.teachers

 

12.               A.worried        B.happy          C.glad  D.pleased

 

13.               A.He's           B.She's           C.Which is   D.That's

 

14.               A.carrot          B.cat            C.dog  D.camel

 

15.               A.Some of        B.Little of         C.All   D.Few of

 

 

查看答案和解析>>

科目:初中英語 來源:2012-2013學年福建省九年級上學期期中考試英語試卷(解析版) 題型:閱讀理解

It was so dark outside the car window that it was hard to see anything.

“ Can I have a carrot, Mom?” Bruce asked.

“I don’t have any carrots,” his mom said. “How about an apple?”

“No,” said Bruce. “It has to be a carrot.”

“Why do you want a carrot?” asked his mom

“You always say carrots help your eyes.” said Bruce. “If I eat one now, it might help me see in the dark.”

Would eating a carrot really help Bruce? What is special about carrots? What makes a carrot special is its color. Carrots are orange because they contain(包含) bta-carotene( 胡蘿卜素). Beta-carotene is a way of saying vitamin A. Your eyes need vitamin A. It helps them work.

When light hits your eye, very small parts inside turn the light into messages. The messages go to your brain(大腦), and then you know what you’re looking at. Your eye can only turn light into messages when it has a special chemical(化學物質(zhì)). Your eyes use vitamin A to make the special chemical. Every time your eye changes light into messages, a little bit of the chemical is used up. By the end of the day, you’ve looked at hundreds of things. That uses up a lot of the chemical. Your eyes need to make more.

What should you eat if you don’t like carrots? Don’t worry. Other fruits and vegetables have vitamin A, too. The secret is in their color. Most orange or red fruits and vegetables contain beta-carotene, or vitamin A, Sweet vegetable, red peppers(胡椒), Mangoes(芒果) are a few foods that have the same orange secret.

1. Bruce wanted a carrot because he thought _______.

A. he liked it

B. it could help him see in the dark

C.  it was sweet and delicious

2.How does vitamin A help your eyes work?

A. The special chemical can stop your eyes from using up vitamin A.

B. The special chemical is used to make Vitamin A which turns the light into messages

C. Vitamin A is used to make the special chemical which turns light into messages.

3. Which of the following is NOT true according to the passage?

A. Carrots are orange because they store beta-carotene.

B. Any food which is orange or red must have some Vitamin A.

C. Most fruits that are orange or red store some beta-carotene or Vitamin A.

4. Sweet vegetable, red peppers, and mangoes don’t have the same orange secret, do they?

A. No, they don’t.      B. Yes, they do.     C. I’m not sure.

5. The passage mainly tells us that _______.

A. we can’t see in the dark unless we eat many carrots every day

B. we can’t see unless we eat a lot of orange or red food every day

C. we should eat some food containing vitamin A so that we can see well

 

查看答案和解析>>

同步練習冊答案