题目内容

散步是一种良好的锻炼方式,它对我们的健康非常有益。请以“Walking to Keep Fit”为题写一篇100~120词的英语短文,介绍一下散步的好处以及你的建议。

注意:开头已给出,不计入总词数。

Walking to Keep Fit

As we all know,walking is a good way of exercise,which is beneficial to our health._______________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

练习册系列答案
相关题目

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

The gene comes in two versions, one of which is found in 99 per cent of Europeans.The other is found in 93 to 100 per cent of Africans, researchers at Pennsylvania State University report in the latest issue of Science.

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.

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(紫外线) of the sun, 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.

1.What is the main idea of the passage?

A. People can’t change their skin colour without any pain.

B. The new discovery helped find 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.It can be inferred from the passage that ________.

A. nowadays changing the skin colour with the chemical treatment has bad effect

B. Europeans and Africans have the same genes

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

D. there are two kinds of skin genes

3.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 people’s skin colour

4.Which of the following statements is TRUE?

A. Michael Jackson died of skin damage caused by chemical treatment.

B. American blacks produce more vitamin D with their skin than others.

C. The gene determining skin colour exists widely in whites, blacks and Asians.

D. The melanosomes in the skin of blacks usually cause skin cancer more often.

I used to have a friend that was diagnosed with terminal cancer, and the news that he might only live up to six months was a great shock to him, his family, and his friends.However, in spite of the serious illness, he was initially determined to look into all available treatments that might cure or extend his life.I think that when you find yourself in such situations, you tend to look up every possible way for hope of saving your life.

With months going on and his health grew worse, I noticed an unexpected change in attitude that came over him.He had also been a happy person with a cheerful personality, but rather than give in to discouragement and self-pity, he took comfort in God and humanity.His talks focused on others rather than himself, and he spoke of the afterlife as something he was prepared for, believing that his concerned ancestors, including his mother and father, were there waiting for him.

In the last few months, weeks, and days of his life, he was kindly cared for by family, friends, his loving wife, who looked after both his physical and emotional needs, and workers from a local hospice (安养院) came to the home to regulate his medication and provide any other needed support.He didn't complain about his fate, and he willingly allowed others to serve him.Indeed, one might think why God allows death and suffering in our world, but for me, such experiences taught me to value family more and kindness for others.You often can't learn these important attributes in the lap of luxury, and perhaps, such an experience is the greatest and final gift the illness can give those left behind.

1.Which word can best describe the man's initial reaction as soon as he was diagnosed with cancer?

A.Astonished. B.Annoyed

C.Terrified. D.Confused.

2.What did the man do after he first learned of his illness?

A.He was operated on immediately.

B.He researched cancer treatments.

C.He retired from his job.

D.He felt sad, doing nothing.

3.What was the man's main source of comfort after several months with the disease?

A.His family and friends.

B.The care from others.

C.His doctors’ encouragement.

D.His belief in humanity.

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网