1、必修 Unit 1 单元主题语篇训练.阅读理解AVinegar is great. It makes salad, fries and dumplings taste better, and you can even clean your windows with it. And now, according to scientists, it may even help the planets population to ease hunger.Researchers from the RIKEN Center for Sustainable Resource Science (CSRS)
2、in Japan found that growing plants in vinegar makes them more resistant to droughts.This could mean that in the future, worries about climate change affecting the worlds supply of food will be much lower.The discovery was made after the researchers studied the Arabidopsis, a plant known for its abil
3、ity to survive in dry weather. It was found that when the plant was placed in droughtlike conditions, it produced a chemical called acetate(醋酸盐) the main component of vinegar.After discovering this, the scientists experimented further by adding acetate to the soil of other plants, before they stoppe
4、d giving them water completely. After leaving the plants for 14 days, they found that the ones treated with acetate had survived, while the untreated plants had dried up and died. Its hoped that this simple method of survival could soon be used to help farmers in dry countries keep their crops alive
5、.Jong Myong Kim, coauthor of the study, told Popular Science magazine that hes already been in touch with people all over the world who are interested in trying this simple and costeffective method out for themselves from flower growing companies to amateur gardeners.Although at this point keeping t
6、hirsty plants alive isnt as easy as just pouring vinegar over them, Kim said he and his team are working on making the process as simple as possible. “Now we are trying to cooperate with some farmers, and also some companies, to make a method to apply this system.” he said.And for those of us who al
7、ways forget to ask our neighbors to water our plants when we go away, hopefully this means the end of returning home from a trip to find our favorite flowers have died.语篇解读：本文是一篇说明文，主要讲了醋可以使植物在干旱的环境中生存，从而解决因粮食而造成的饥饿问题。1. What is mentioned as a feature of the Arabidopsis?AIt produces acetate in wet c
8、onditions.BIt is mainly composed of acetate.CIt can survive in nowhere but desert.DIt can be tolerant of drought.解析：选D细节理解题。由第四段可知，Arabidopsis的特点是可以忍受干旱，选D。2. The scientists experimented further in order to .Afind a simple way of keeping the crops of farmers aliveBadd acetate to the soils of other p
9、lants to stop wateringCcheck the effectiveness of the acetate to resist droughtDtreat the driedup plants by adding acetate to them解析：选C推理判断题。根据文章第四段的理解，可以得知进一步实验的目的是检验把醋酸盐添加到植物中就能增加植物耐旱能力的有效性，选C。3. What is the authors attitude to the discovery?AObjective.BUnsupportive.CIndifferent. DOptimistic.解析：选D
10、观点态度题。由最后一段可知，作者持乐观态度。objective “客观的”；unsupportive“不支持的”；indifferent “冷漠的”；optimistic“乐观的”，选D。4. What may be the best title for the text?AVinegar could end hungerBVinegar keeps plants living foreverCHow to survive climate changeDAdvantages and functions of vinegar解析：选A标题归纳题。由全文的主题句“And now, accordin
11、g to scientists, it may even help the planets population to ease hunger.”可知，这篇文章主要讲了醋可以使植物在干旱的环境中生存，从而解决因粮食而造成的饥饿问题，选A。BChinese New Year celebrations, also known as the Spring Festival start on the 23rd day of the 12th lunar month of the Chinese calendar, and end on the 15th day of the first lunar m
12、onth in the following year in the Chinese calendar. Chinese New Years Days date is calculated according to the Chinese lunar calendar. In 2015 its Thursday, February 19.Many people clean their homes to welcome the Spring Festival. They put up the red posters with poetic verses on their doors, Chines
13、e New Year pictures on their walls, and decorate their homes with red lanterns. It is also a time to reunite with relatives, so many people visit their families at this time of the year. In the evening of the Spring Festival Eve, many people set off fireworks and firecrackers, hoping to cast away an
14、y bad luck and bring good luck. Children often receive lucky money. Many people wear new clothes and send Chinese New Year greetings to each other. Various activities such as beating drums and striking gongs, as well as dragon and lion dances, are all part of the Spring Festival festivities.The Spri
15、ng Festival is a national holiday in China. Government offices, schools, universities and many companies are closed during the period from the Spring Festival Eve to the seventh day of the first lunar month in the Chinese calendar. However, some enterprises such as banks often arrange for workers to
16、 be on shift duty. Public transport is available during the Chinese New Year period.The red posters with poetic verses were initially a type of amulet (驱邪物), but now it simply means good fortune and joy. Various Chinese New Year symbols express different meanings. For example, an image of a fish sym
17、bolizes “having more than one needs every year”. A firecracker symbolizes “good luck in the coming year”. The festival lanterns symbolize “pursuing the bright and the beautiful”. 语篇解读：春节是中国人民最隆重的传统节日，也是对未来寄托新的希望的佳节，从腊月二十三到正月十五人们沉浸在欢乐的节日气氛中。5The passage mainly tells us .AChinese New Year is around th
18、e cornerBwhat people usually do during Chinese New YearChow people treat each other on the special dayDChinese New Year witnesses the longest holiday解析：选B主旨大意题。通读全文可知，作者在文中主要描述了中国的春节以及在春节前后人们的活动。6Traditionally Chinese New Year will last about .A23 daysB15 daysC7 days D25 days解析：选A细节理解题。依据第一段可知，春节始于腊
19、月二十三，到来年的正月十五结束，历时约23天。7The original purpose of the red posters is .Ato show some wonderful poems to othersBto decorate the house with bright colorsCto drive the evils away from their homesDto welcome friends and relatives warmly解析：选C细节理解题。根据最后一段第一句“The red posters with poetic verses were initially
20、a type of amulet (驱邪物)”可知，最初在门上贴红色的对联是为了辟邪，因此选项C正确。8It can be inferred from the passage that .Athe New Year symbols mean good for the futureBgiving lucky money is a must for parentsCthe Chinese celebrate the festival differentlyDthe staff in banks have a sevenday holiday 解析：选A推理判断题。依据最后一段可知，不管是对联、鞭炮
21、、鱼还是灯笼都意味着对未来的美好祝愿。.应用文写作假定你是李华，为了帮助参加“一带一路”交流项目的来华留学生更好地了解中国的传统文化，你所在的学校决定举办春节联欢活动。请给你的朋友Paul写一封邮件邀请他参加，内容包括：1时间、地点及参与者；2活动：写“福”字、包饺子、学剪纸等；3目的：感受“年”味及传统文化的魅力。注意：1.词数80左右；2可以适当增加细节，以使行文连贯。参考词汇：“一带一路”One Belt One Road 参考范文：Dear Paul，How is everything going here in China? I am writing to tell you that
22、 our school will hold a Spring Festival celebration in the Art Center on January 28. And we will invite all the students from the One Belt One Road exchange program to participate to know more about Chinese culture. I hope you can come too.During the celebration, we will write the Chinese character Fu, make dumplings and learn papercutting. We hope these will help you experience the Spring Festival atmosphere. Besides, the celebration will show the charm of Chinese traditional culture.Looking forward to your reply.Yours，Li Hua
