5. What is the author's purpose in writing this article? A） To ask people to sell their cars.
B） To encourage people to ride bicycles to work if possible. C） To call on people to take action to protect the environment. D） To remind people to be friendly to others when taking the bus. [答疑编号506494030305：针对该题提问]
【正确答案】C
【答案解析】本文作者以自身经历——卖掉汽车改乘公交上下班为例，并历数了乘车的好 处，以此来号召大家绿色出行，达到保护环境的目的。B项中出现了ride bicycles （骑自行车），本文并未提倡骑自行车，只是倡导绿色出行，关键还是希望人们保护环境。答案为C。
Ⅱ Building Your Vocabulary Section A
Directions: Complete each of the following sentences with the correct choice of the words gin the brackets.
1.The lion is the ___________ of courage. （ symbol, symbolize） [答疑编号506494030306：针对该题提问]
【正确答案】symbol 狮子是勇敢的象征。
【答案解析】定冠词the后需要填入一个名词。symbol，……的象征；symbolize,v.象征、是……的象征。答案为symbol。
2. I tried to contact him but was __________ to. （able, unable） [答疑编号506494030307：针对该题提问]
【正确答案】unable
我试图联系他，但是没有能联系上。
【答案解析】本句中的but是转折连词。句子想表达的意思是，我试图联系他，但是没有联系上。答案为unable。
3. Parking in this street is the _________________ of the residents. （ privilege, privileg [答疑编号506494030308：针对该题提问]
【正确答案】privilege
在这条街上停车是此地居民的优惠待遇。
【答案解析】定冠词the后需要填入一个名词，此处名词 + of 作定语。privilege,n.优惠待遇；privileged,adj.享有特权的、特许的。答案为privilege。
4. Despite his cries, no one came to his _______ . （assist, assistance） [答疑编号506494030309：针对该题提问]
【正确答案】assistance
尽管他大声喊叫，但没有人来帮助他。
【答案解析】此处宾语不全，需要一个名词。assist，n.帮助、援助；assistance，n.帮助、支持。答案为assistance。
5. With ____________ exceptions, he does not appear in public now. （ rare, rarely） [答疑编号506494030310：针对该题提问]
【正确答案】rare
除了极少数例外情况，他现在不在公开场合出现。
【答案解析】这里需要形容词做定语。rare,adj.很少、极少；rarely是其副词形式。with rare exceptions 可理解为，（除了）少数例外。答案为rare。
6. It was a great _______________ to have the doctor living near us. （convenience, inconvenience）
[答疑编号506494030311：针对该题提问]
【正确答案】convenience
我们住得离医生不远，这很方便。
【答案解析】convenience，n.方便；inconvenience，n.不方便。根据句意，住得离医生近有很大方便。答案为convenience。
Section B
Directions: Fill in the blanks with the words given below. Change the form where necessary.②available ⑤ resources ③independence ⑥subjected ①primary occasional ④giggling slippery 1 .Many of the villagers rely on fishing as their ______ source of income. [答疑编号506494030312：针对该题提问]
【正确答案】primary
许多村民依靠捕鱼作为他们的主要收入来源。
【答案解析】需要形容词作定语，修饰宾语。primary，adj.主要的。primary source of income 主要的收入来源。答案为primary。
2. There are not many jobs _________ due to the economic crisis. [答疑编号506494030313：针对该题提问]
【正确答案】available
由于经济危机没有许多工作机会可提供。
【答案解析】available,adj.可获得的、可得到的。available 一般放于所修饰的名词后。答案为available。
3. Having a job gives you financial _________. [答疑编号506494030314：针对该题提问]
【正确答案】independence
有一份工作赋予你经济独立。
【答案解析】缺少宾语，应填入名词。financial independence 经济独立。答案为independence。
4. If you can't stop __________, you'll have to leave the room. [答疑编号506494030315：针对该题提问]
【正确答案】giggling
如果你不停止傻笑，你必须离开这个房间。
【答案解析】 stop doing sth.停止做某事。giggle,v.傻笑。答案为giggling。
5. The country almost entirely depends on imports for lack of natural __________. [答疑编号506494030316：针对该题提问]
【正确答案】resources
由于缺乏自然资源，这个国家几乎完全依赖进口。
【答案解析】缺少作宾语的名词。natural resource 自然资源、天然资源。答案为resources。
6. Police ___________ the suspect to hours of questioning. [答疑编号506494030317：针对该题提问]
【正确答案】subjected
警察对这个嫌疑犯询问几个小时。
【答案解析】本句没有谓语。subject,v.使经受、使遭受。注意动词时态，此处可以用一般过去时。答案为subjected。
Section C
Directions: Complete each of the following sentences with a suitable word. 1 .I believe ___________ your ability to solve the problem. [答疑编号506494030318：针对该题提问]
【正确答案】in
我相信你解决问题的能力。
【答案解析】believe in 固定搭配，意为相信、信任。句意是，我相信你解决问题的能力。答案为in。
2. The meal was excellent except __________ the first course. [答疑编号506494030319：针对该题提问]
【正确答案】for
除了第一道菜外，这顿饭很好。
【答案解析】except…for为固定搭配，除……外。句意是，除了第一道菜，这顿饭很好吃。答案为for。
3. Her speech made a tremendous impact _________ everyone. [答疑编号506494030320：针对该题提问]
【正确答案】on
他的演讲给每个人都留下深刻印象。
【答案解析】sth. impact on sb.固定搭配，某事对某人影响深。句意是，他的演讲给每个人留下了极深的影响。答案为on。
4. It happened without my being aware ___________ it. [答疑编号506494030321：针对该题提问]
【正确答案】of
我没有意识到发生了这件事。
【答案解析】be aware of 固定搭配，意识到、察觉到。句意是，我没有意识到这件事的发生。答案为of。
5. The campers were subjected _________ extreme weather. [答疑编号506494030322：针对该题提问]
【正确答案】to
这些露营者遭受到极端恶劣的天气。
【答案解析】subject…to…固定搭配，使经受、使遭受。句意是，露营者们遭受了极端恶劣的天气。答案为to。
6. Adolescence is the period of transition _________ childhood to adulthood. [答疑编号506494030323：针对该题提问]
【正确答案】from
青春期是从孩子到成年人的过渡期。
【答案解析】 transition,n.转变、过度。句意是，from…to 指从……到……。句意是，青春期是从孩童时期到成人的过度期。答案为from。
Ⅲ Bridging the Gap
Directions: Fill in the blanks with a word or a phrase that best completes the passage. Youchoose a suitable one from the list given. ①in mind ⑩Although ⑧on ⑤designed ③like ②which ④popular ⑥fuel ⑦parking spaces ⑨electricity Automakers around the world are planning to make cars that are smaller, use less fuel and ddamage the environment. At auto shows around the globe, car producers are presenting what they 1 .
[答疑编号506494030324：针对该题提问]
【正确答案】1. in mind
【答案解析】1.in mind可以理解为心里、心中。句意是，在全球各地的汽车展览会上，汽车生产商正向人们展示他们心中的设计。答案为in mind。
General Motors has already displayed one of its prototypes. It is called P.U.M.A., 2 means Personal Urban Mobility and Accessibility Vehicle. It looks 3 a cart, has two batteries and seafor two people.
[答疑编号506494030325：针对该题提问]
【正确答案】2. which 3. like
【答案解析】2. 定语从句缺少连接词。答案为which。
3. look like固定搭配，看上去像……。答案为like。
While GM's car may never be produced, other car makers have already made mini-cars that youbuy. Mercedes' Smart car has been 4 in Europe for some time. Chrysler's GEM Peapod and Toyota'sare two small cars that have been specially 5 for city traffic. [答疑编号506494030326：针对该题提问]
【正确答案】4. popular 5. designed
【答案解析】4.本句缺少作表语的形容词。has been popular指已经流行了（一段时