假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线，并在该词下面写出修改后的词。
注意:1．每处错误及其修改均仅限一词;
2．只允许修改10处，多者(从第11处起)不计分。
Echo, my favorite teacher, is a pretty and slim lady．When she talks to us, she always has a smile on his face．I think Echo is gifted teacher because she has a lot of good teach methods．Her classes are so full of funs that you will never feel bored．To improve our grades, she usually gave us some advice on how to learn English well ．What’s more, she spends much her time helping her students instead of staying with her family．Sometimes, she hardly has any time to have the lunch．Whenever I ask her questions, she will spare no effort to make me understood, with patience or care．I have never seen so a good teacher as her before．
We are what we eat because what we eat every day has1. great impact on our health．Therefore, we should make every effort to change our bad eating habits．2.we all know, baked or fried foods may be3.taste）, but eating too much of them will 4.（probable）result in some illnesses．Moreover, some food that costs us a great deal of money and is not healthy is junk food．
5.． (compare) with people in the West, Chinese people used to eat more grain and vegetables, but 6. (little) meat, which is a good eating habit．However, things are quite different now．With the rapid economic 7.(grow) of our country, we are now also eating a lot of food that is high in sugar and fat．We8.(run) the risk of eating out without considering the balance of our diet ．
The food we choose affects our health, so we must keep 9.in mind that the food we choose 10.give us the nutrients we need．
That morning, I stepped into the classroom, ready to share my knowledge and experience with seventy-five students who would be my English Literature class．Having taught in for seventeen years, I had no about my ability to hold their attention and to on them my admiration for the literature of my mother tongue．
I was shocked when the monitor shouted, " !" The entire class rose as I entered the room, and I was somewhat about how to get them to sit down again, but once that awkwardness was over, I quickly my calmness and began what I thought was a fact-packed lecture, sure to gain their respect—perhaps their admiration．I went back to my office with the rosy glow which came from a sense of achievement．
My students diaries．However, as I read them, the rosy glow was gradually 49 by a strong sense of sadness．The first diary said, "Our literature teacher didn’t teach us anything today． her next lecture will be better．" Greatly surprised, I read diary after diary, each expressing a theme．"Didn’t I teach them anything? I described the entire philosophical framework of Western thought and laid the historical for all the works we’ll study in class," I complained．" How they say I didn’t teach them anything?"
It was a long term, and it became clear that my ideas about education were not the same as of my students．I thought a teacher’s job was to raise questions and provide enough background so that students could their own conclusions．My students thought a teacher’s job was to provide information as directly and clearly as possible．What a difference!
, I also learned a lot, and my experience with my Chinese students has made me a American teacher, knowing how to teach in a different culture．
1.A． the UK B． the US C． China D． Australia
2.A． worry B． idea C． doubt D． experience
3.A． impress B． put C． leave D． fix
4.A． Attention B． Look out C． At ease D． Stand up
5.A． puzzled B． sure C． curious D． worried
6.A． found B． returned C． regained D． followed
7.A． more B． even C． yet D． still
8.A． passed B． borrowed C． read D． kept
9.A． replaced B． taken C． caught D． moved
10.A． Naturally B． Perhaps C． Fortunately D． Reasonably
11.A． different B． strong C． similar D． usual
12.A． happenings B． characters C． development D． background
13.A． should B． need C． will D． must
14.A． immediately B． certainly C． simply D． gradually
15.A． that B． what C． those D． ones
16.A． difficult B． interesting C． ordinary D． unusual
17.A． draw B． look C． search D． offer
18.A． strange B． standard C． exact D． serious
19.A． Therefore B． However C． Besides D． Though
20.A． normal B． happy C． good D． better
Tips for cooking on a Tight Schedule
From my experience, there are three main reasons why people don’t cook more often: ability, money and time, 1._Money is a topic I’ll save for another day．So today I want to give you some wisdom about how to make the most of the time you spend in the kitchen．Here are three tips for great cooking on a tight schedule:
1．Think ahead．The moments when I think cooking is a pain are when I‘m already hungry and there is nothing ready to eat．So think about of the coming week．When will you have time to cook? Do you have the right materials ready?_2.
2．Make your time worth it．When you do find time to cook a meal, make the most of it and save yourself time later on．Are you making one loaf of bread? 3. it takes around the same amount of time to make more of something．So save yourself the effort for a future meal．
3．4. This may surprise you, but one of the best tools for making cooking worth your time is experimentation．It gives you the chance to hit upon new ideas and recipes that can work well with your appetite and schedule．The more you learn and the more you try, the more ability you have to take control of your food and your schedule．
Hopefully that gives you a good start．5. and don’t let a busy schedule discourage you from making some great changes in the way you eat and live!
A． Try new things．
B． Ability is easily improved．
C． Make three or four instead．
D． Understand your food better．
E． Cooking is a burden for many people．
F． Let cooking and living simply be a joy rather than a burden．
G． A little time planning ahead can save a lot of work later on．
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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．
