Mary是—位美国中学音乐老师，一直喜欢中国音乐。她下个月要为在暑假到中国游学音乐的中学生作—个关于中国古典音乐的讲座，但她在短时间内无法找到足够的资料，于是就给她的中国网友李华发邮件求助。请你以Mary的名义，用英语给李华写一封邮件。
要求：
1.词数：l00词左右；
2.文中不能出现自己的姓名和所在学校的名称；
3.可适当增加细节，以使行文连贯；
4.参考词汇：古典：classical。
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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短文。短文中共有10处错误，每句中最多有两处。错误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（∧），并在此符号下面写出该加的词。
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。
I'm 53 years old.I had lived in Liverpool for twenty years and I need to take the No.43 bus from my home to the post office every Wednesday.However,it's service is not well.The bus only comes ever twenty minute.What made me angry was that happened last Wednesday,when it was such a terrible weather!I waited forty-five minutes in the cold and rain,so three empty double-deckers passed me without stopping.As a result,stand by the road,I had to wait another No.43 bus.I waved hardly and patiently to make the driver see me and stop.
An experiment was done on macaques（猕猴）.They1.(give)a chain and taught that they would be fed if they pulled2.chain.The catch,however,was that every time they pulled the chain,another macaque would be shocked.
Even though it meant risking starvation,87% of the macaques refused3.(pull) the chain if they knew it would hurt another macaque.In one case,a macaque went a full two weeks without eating rather than deal with the guilt of4.(hurt) another animal.
It's pretty impressive when you compare that to another study because another group of5.(science) did a similar experiment on a different animal-humans.They paid people to pull a lever（杠杆）6.they said would shock another person with7.(electric).That other person was an actor who pretended to be8.great pain every time they pulled the lever.In the experiment,a full 87% of the people pulled the lever all the way to a space9.(mark) "Danger!Severe Shock!"even while hearing their victim scream painfully.It was all to get a few dollars that they could have10.(easy) earned by getting a job at McDonald's.
For many years,drivers of electric trains in the UK were at risk from bird strikes.When they were travelling at high speeds,a____hitting the front of the train could____the windscreen of the driving cab.I once had a pigeon break the offside window into pieces at only 40 mi/h.The pigeon didn't____,but I did—I am alive!
In an effort to provide a better degree of____and reduce delays,of course,research was done to find a ___toughened glass windscreen for____.As part of this research,____was sought from airline suppliers,who said that a good test for ant new glass type was to fire a chicken at high speed____the window material.The____was soon set up and a number of dead chickens obtained.
Even though it was of a standard used by____,the test with the first chicken showed that the glass was not____enough.A second test____broke the glass.Another test damaged the third windscreen!Repeated____showed that no glass could____the chicken being fired at it.More advice was sought from the airline people,who could not understand____the glass they offered could withstand（禁得住）airborne bird strikes but____failing the railway tests. They decided to come to____test.
The railway research team set up a____test and sent someone to obtain more chickens.____the chickens arrived,it was then that the airline experts realized what was wrong.They told the railway research team."You know,you do____to defrost（解冻）the chickens first."
1.A. device B. chicken C. bird D. stone
2.A. keep out B. pass through C. escape from D. take away
3.A. fly B. appear C. fall D. survive
4.A. safety B. speed C. travel D. temperature
5.A. heavy B. bright C. suitable D. flat
6.A. passengers B. drivers C. animals D. pilots
7.A. information B. energy C. courage D. advice
8.A. off B. towards C. beyond D. across
9.A. test B. research C. business D. organization
10.A. government B. army C. railways D. airlines
11.A. popular B. attractive C. tough D. transparent
12.A. also B. then C. ever D. only
13.A. changes B. attempts C. events D. ideas
14.A. reflect B. prevent C. separate D. resist
15.A. whether B. how C. why D. when
16.A. avoided B. kept C. stood D. stopped
17.A. witness B. cancel C. prove D. correct
18.A. strange B. strict C. new D. necessary
19.A. The moment B. Now that C. Even if D. In case
20.A. manage B. agree C. expect D. have
You don't need superpowers to commit to being healthier.Check out these tips.
Write it and measure it.1.Writing down your goals is not only a great way to accomplish them,but your list can also help you figure out the exact steps needed to get there."I want to lose weight"is a pretty common resolution（方案）,but how exactly do you go from point A to point B?2.For instance:"I want to lose 10 pounds over the next six weeks by going to the gym three to four times per week."
Make resolutions manageable.A resolution shouldn't be a fantasy.The key to sustainable resolutions is to make small changes gradually.So if your goal is to go from never running to finishing a half-marathon,start training gradually.3..
4.Not knowing how to do a certain exercise is no excuse to write it off completely.If you're curious about new techniques,book a session with a personal trainer to clear up confusion and help prevent injury.
Think outside the box.5.If your resolution is to simply be more active and bum more calories every day,there are plenty of creative ways to achieve that goal.You can fit extra movement into the day by walking during phone conversations or even volunteering for household chores.
A.Ask for help．
B.Choose the right tech.
C.Instead,try setting a more specific goal.
D.Exercise doesn't have to be a formal activity.
E.Resolutions should be both specific and measurable.
F.Begin by walking a few miles,and steadily increase it to jogging,and then running.
G.The reason is that the brain just likes measurable old habits over new,different ones.
B vitamins（维生素）may offer some protection against the effect of air pollution,a new study suggests.
The scientists say the effect is real but stress the limitations of their work.Follow-up studies are urgently needed, they say,in heavily polluted cities like Mexico.
According to the World Health Organization (WHO),over 90% of the world's population live in heavily-polluted areas.The one of the pollutants that is considered the most dangerous is very fine particulate matter, referred to as PM2.5.At around 1/30 the width of a human hair,PM2.5 can go deep into the human lung and contribute to lung and heart health problems in the young and old.
Scientists have long suspected that PM2.5 causes what are termed epigenetic（表观遗传）changes in our cells that can damage our health.Now in this new human trial,an international team of scientists wanted to see if exposure to concentrations of PM2.5 could be mitigated by daily B vitamins.
Ten volunteers were tested initially exposed to clean air and their basic responses were measured.The same volunteers were later tested with large doses（剂量）of B vitamins while exposed to air containing high levels of PM2.5.The researchers found that a four-week B vitamin intake limited the PM2.5 effect by between 28-76% at ten gene locations.They found a similar reduction in effect on the mitochondrial DNA,the parts of cells that produce energy.
However,the researchers caution that their study,while observing a real effect,has limitations.As well as the small number of participants,there was little information on the size of the B vitamin dose that caused the response.
1.What is the main idea of the text?
A. B vitamins may fight against PM2.5.
B. PM2.5 can lead to epigenetic changes.
C. Further studies should be done on PM2.5.
D. Exposure to PM2.5 is more and more serious.
2.Which can replace the underlined word "mitigated" in Paragraph 4?
A. measured B. ignored
C. reduced D. observed
3.How many limitations does the text mention about the new study?
A. 2. B. 3.
C. 4. D. 5.
4.How does the writer of the text like the new study?
A. He believes it deeply. B. He criticizes it strongly.
C. He thinks it needs testing again. D. He shows no opinion about it.
