2022年9月大学英语四级考试真题（一）答案与详解Part IWriting参考范文：An Application for the Volunteer Teaching ProgramDear Sir or Madam,As a freshman majoring in math,I'm writing to apply for our school's volunteer teaching program inremote rural areas.My reasons come as follows.Born and bred in the mountainous region of Yunnan Province,I have receivedguidance and support,both financially and spiritually,from volunteer teachers since primary school.Therefore,I would cherish every opportunity to light up others'lives with my knowledge.Besides,I know sowell about the hardship of life,hopes of parents,and the children's thirst for knowledge.I would take with meboth professional teaching skills I have acquired in our university and the optimistic attitude towards life andheavy workload there.Finally,I have a very strong sense of responsibility and am willing to take supplementaryroles,such as a school counselor,a food safety monitor,and a cheer-leading coach.Such issues are of equalimportance to teaching and learning with regards to the all-round development of kids.I really appreciate your consideration and look forward to contributing to the teaching in remote ruralareas.Yours,Li MingPart IIListening ComprehensionSection AQuestions 1 and 2 are based on the news report you have just heard.(1)White meat,such as chicken,may raise blood cholesterol levels as much as red meat does.This findingsurprised researchers,who admitted they didn't expect that eating white meat would lead to higher bloodcholesterol levels.In the study,researchers looked at 113 healthy people.The participants ate three different diets.Thesewere a red meat diet which is primarily beef,a white meat diet which is mostly chicken and turkey,and avegetarian protein diet.Each diet period was four weeks.Between the diet periods,participants had a break,during which they ate their regular foods.In addition,participants had blood tests at the start and finish of eachnew diet.The results showed that white and red meat diets had the same effects on blood cholesterol levels.Further,both diets increased blood cholesterol levels compared with the diet built on vegetarian protein sources.(2)The team acknowledged that it is possible that white meat is better for our health than red meat despitetheir findings.This is because other effects of red meat consumption could contribute to heart diseaseindependent of cholesterol.Their main recommendations are that people eat less of both kinds of meat andmore vegetarian protein.2022.9/10