Some people live in the world for body while others for dignity.I once took a walk along the street 16 a Saturday dusk, with a Pepsi can in my hand. An old woman in ragged clothes, 17 was living on co 题目和参考答案——青夏教育精英家教网—

题目内容

Some people live in the world for body while others for dignity(尊严).
I once took a walk along the street   16 a Saturday dusk, with a Pepsi can in my hand. An old woman in ragged clothes,   17 was living on collecting used cans, jars and tins, moved slowly towards me, with a bag on the back!   18 (walk) nearer, she looked up at me and then fixed her eyes on my can. At that time, I hadn’t finished my cola, so I gave   19  several coins instead.
She stared at me for a few seconds   20  handed back the money. Quite confused, I asked: “Why not? Isn’t that   21 you want?”
“I am not a beggar,” she said   22  (serious), word by word.
Instantly, I felt so sorry. I had intended   23  (help) her, completely misunderstanding her. Thus I hurt her. What I could do at that moment was only to drink up the cola and handed her   24  emptied can. This time, she gave me a smile with   25  (satisfy) and gratitude in her eyes. The woman is poor in material life but is so respectable as a man. I am not only moved but also have learned a good lesson.

【小题1】on
【小题2】who
【小题3】Walking
【小题4】her
【小题5】and
【小题6】what
【小题7】seriously
【小题8】to help
【小题9】the
【小题10】satifaction

解析【小题1】考查在语境中介词的搭配，在具体某一天的上、下午，早上、黎明、黄昏、晚上，介词都用on。 on a Saturday dusk, at dusk。
【小题2】考查定语从句的关系代词，非限制性定语从句，先行词为an old woman。
【小题3】考查非谓语动词，现在分词作状语，与主语是主谓关系。
【小题4】考查宾格代词的使用，此处所填之词作动词give的宾语。用her指代the old woman。
【小题5】考查并列连词，连接两个动词stared和handed。
【小题6】考查表语从句的连接词，表语从句缺少宾语，且表示事物，所以用特殊疑问词what。
【小题7】考查形容词转换成副词，修饰said应副词seriously。
【小题8】考查非谓语动词，intended to do sth.打算做某事。
【小题9】考查语境中冠词的使用，特指喝完了的那个易拉罐，所以用the。
【小题10】考查动词转换成名词，介词with后面跟名词。

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Scientists have changed the colour of a dark-striped zebrafish to uniform gold by inserting a version of the pigment(色素) gene into a young fish. As with humans, zebrafish skin colour is determined by pigment cells, which contain melanosomes(黑色素). The number, size and darkness of melanosomes per pigment cell determines skin colour.

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But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vitamin D. So the related gene changes, according to Cheng.

Asians have the same version of the gene as Africans, so they probably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

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A. nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical treatment

B. Europeans and Africans have the same gene

C. the new discovery could help to find medical treatments for skin cancer

D. there are two kinds of genes

Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark

D. find out the ways of changing peopl’s skin colour

The writer’s attitude towards the discovery is ________.

A. neutral B. negative C. positive D. indifferent

Can people change their skin colour without suffering like pop king Michael Jackson? Perhaps yes. Scientists have found the gene that determines skin colour.

It appears that, like the golden zebrafish, light-skinned Europeans also have a mutation(变异) in the gene for melanosome production. This results in less pigmented skin.

However, Keith Cheng, leader of the research team, points out that the mutation is different in human and zebrafish genes.

Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun(太阳光紫外线), which can cause skin cancer.But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vitamin D. So the related gene changes, according to Cheng.Asians have the same version of the gene as Africans, so they probably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

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A. nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical treatment B. Europeans and Africans have the same gene

C. the new discovery could help to find medical treatments for skin cancer D. there are two kinds of genes

Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark D. find out the ways of changing peopl’s skin colour

The reason why Europeans are light-skinned is probably that ________.

A. they are born light-skinned people

B. light-skinned Europeans have mutation in the gen for melanosome production

C. they have fewer activities outside D. they pay much attention to protecting their skin

The writer’s attitude towards the discovery is ________.

A. neutral B. negative C. positive D. indifferent

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But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vitamin D. So the related gene changes, according to Cheng.

Asians have the same version of the gene as Africans, so they probably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

51. The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

52. It can be inferred from the passage that ________.

A. nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical treatment

B. Europeans and Africans have the same gene

C. the new discovery could help to find medical treatments for skin cancer

D. there are two kinds of genes

53. Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark

D. find out the ways of changing peopl’s skin colour

54. The reason why Europeans are light-skinned is probably that ________.

A. they are born light-skinned people

B. light-skinned Europeans have mutation in the gen for melanosome production

C. they have fewer activities outside

D. they pay much attention to protecting their skin

55. The writer’s attitude towards the discovery is ________.

A. neutral B. negative C. positive D. indifferent

Can people change their skin colour without suffering like pop king Michael Jackson? Perhaps yes. Scientists have found the gene that determines skin colour.

It appears that, like the golden zebrafish, light-skinned Europeans also have a mutation(变异) in the gene for melanosome production. This results in less pigmented skin.

However, Keith Cheng, leader of the research team, points out that the mutation is dif ferent in human and zebrafish genes.

Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun(太阳光紫外线), which can cause skin cancer.

But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vit amin D. So the related gene changes, according to Cheng.

Asians have the same version of the gene as Africans, so they pr obably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

1.. The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

2.. Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark

D. find out the ways of changing peopl’s skin colour

3.. The reason why Europeans are light-skinned is probably that ________.

A. they are born light-skinned people