Unit 4 Section Ⅰ Warming Up & Reading
Ⅰ.阅读理解
A
Four animals—a wildcat, a mongoose, a mouse and an owl—had made their home in a huge tree.
The mouse and the mongoose lived at the foot of the tree in two different holes. The cat lived in a large hole halfway up the tree and the owl lived in the branches.
The cat feared none of its neighbours and moved about, afraid of nothing. The owl and the mongoose were afraid of the cat and kept a safe distance from it. The mouse was extremely afraid of all three neighbours.
One day the cat was caught in a trap laid by a hunter. Its three neighbours watched with joy as it tried extremely hard to get out of the net in which it had been trapped. They knew it was a hopeless task. Soon the hunter would come and they would never see their enemy forever. The mouse's joy, however, was short-lived because even as it watched the cat, it found that the mongoose was moving towards it. Looking up, it saw that the owl too was getting ready to move down. The mouse understood that it was in great danger and that the only one who could save it was its enemy, the cat.
It jumped onto the net in which the cat was caught and began biting at it. Within a short time it had made a hole big enough for the cat to come out. Seeing the cat come out, the owl and the mongoose escaped.
The mouse ran away too. It knew it could not expect any thanks from the cat, but in saving it, it had saved its own life.
【语篇解读】 野猫吃猫头鹰和猫鼬，三者都吃老鼠。野猫是猫头鹰和猫鼬的敌人，反而成了老鼠的“朋友”，救了老鼠的命。
1．The mouse lived in extreme fear every day because .
A．it lived at the foot of the tree
B．hunters set traps everywhere
C．all its three neighbours might eat it at any time
D．its food might be taken away by its neighbours
解析：选C 细节理解题。根据第三段最后一句、第四段中猫鼬和猫头鹰对老鼠的虎视眈眈以及最后一段中老鼠将野猫放出来后自己也逃离了可知，这三个邻居都对老鼠有生命威胁，因此它每天都生活在极度恐慌之中。
2．Which of the four neighbours had the most power over the other three?
A．The wildcat. B．The mouse.
C．The mongoose. D．The owl.
解析：选A 细节理解题。根据第三段可知，野猫无所畏惧，四处乱逛；猫头鹰和猫鼬害怕野猫；老鼠害怕前三者。由此可知，在这四个邻居中，野猫最强势。
3．The mouse bit at the net to save the cat because .
A．they were good friends
B．they both hated the hunters
C．the mouse was too kind to see the cat die
D．the other two neighbours were to attack it
解析：选D 细节理解题。根据第四段最后三句可知，野猫被困住之后，猫鼬和猫头鹰没有了天敌的威胁，于是准备攻击老鼠。老鼠意识到如果没有了野猫，自己面临的威胁更大，所以才救了野猫。
4．From the passage we can learn that the mouse is .
A．kind B．brave
C．clever D．stupid
解析：选C 推理判断题。老鼠救了猫来保全自己，但也不寄希望于猫会感谢自己，也逃跑了。由此可推知，老鼠是聪明的。
B
People who have red hair and people who have lost their hair could finally get their own emoji (表情符号)．The Emojipedia website has shown new emojis following demands that they should be more diverse. If its ideas are approved, the new emojis could be added in 2018, alongside new characters that have grey, curly or Afro hair.
“New styles focus on appearances that aren't currently supported in the informal skin tone and hair color pairings (搭配) used on many cellphones，” showed one page on the website. The page gave Jessica Chastain and Ed Sheeran as examples of people with red hair. Sinead O'Connor and Samuel L Jackson were given as examples of people with no hair or a shaven head.
The emojis could be released in 2018 if chosen by the Unicode Consortium which met in January, 2017 following a number of complaints about lack of diversity.“Non-naturally occurring features, such as blue hair and tattoos, are not included in this project，” the website added.
At the end of 2016, Apple published its iOS 10.2 software update which included 72 new emojis such as firefighters, astronauts, rockstars and so on. But people who have red hair were notably absent, causing a global protest.
A website in Scotland demanding ginger emojis got 20,000 signatures. The main issue is that there is one organization, known as Unicode Consortium, who controls emojis on iPhone.
In March, a new list of emojis was published by Emojipedia which might be released later this year. However, the emojis need to be approved by the Unicode Technical Committee before people can use them.
In 2015，ginger emojis were published on the Google Play Store for Android. But up until now, the Unicode Consortium has not been willing to give in to ginger campaigners.
【语篇解读】 本文是一篇说明文，文中介绍了表情库里将有可能增加红头发人士和光头人士等专属的表情符号。
5．Which of the following emojis could be included in 2018?
A．Characters with black hair.
B．Characters with white skin.
C．Characters with shaven heads.
D．Characters with smiling faces.
解析：选C 细节理解题。根据第一段可知，红发人士和光头人士有可能会获得他们的专属表情符号，因为人们抱怨表情库中的表情符号不够丰富。如果这些表情符号获得批准，在2018年就可以增加到表情库里，此外，表情库里还会有拥有灰白发、卷发以及非洲式发型等的新表情符号。所以C项正确。
6．Tattoos are rejected by the Unicode Consortium because .
A．there is no demand for them
B．people dislike such emojis
C．they are out of fashion
D．they are not natural identity
解析：选D 细节理解题。根据文章第三段中的“Non-naturally occurring features...in this project”可知，诸如蓝头发和文身之类不是自然产生的特征是不被包括在这个项目中的。因此D项正确。
7．What is the Unicode Consortium's attitude to ginger emojis?
A．Favorable. B．Ambiguous.
C．Disapproving. D．Uncaring.
解析：选C 推理判断题。根据最后一段中的“But up until now...to ginger campaigners.”可知，直到现在，统一码协会仍然不愿给姜黄发色的抗议者们使用姜黄发色人士专属的表情符号，故统一码协会的态度是“不赞成的(Disapproving)”。故选C项。
8．What is the best title for the text?
A．New Emojis to Be Added in 2018
B．Complaints about the Present Emojis
C．Demands for New and Informal Emojis
D．Global Protests Against Lack of Diversity
解析：选A 标题归纳题。通读上下文可知，本文介绍了表情库里将有可能增加红头发人士和光头人士等专属的表情符号，并讲述了增加这些表情符号的原因。故A项最适合作标题。
Ⅱ.语法填空
As you know, science plays 1. very important role in our education. Do you want to keep up 2. the latest research and discoveries in science？There are many good websites 3. you can check out the latest in the science world.
One great site is Science News for Kids. This site reports science news 4. (cover) a wide range of subjects. The articles are intended for younger readers, but adults will find this site 5. (suit) for them as well. Another wonderful site, one that I check out every day, 6. (call) Science Daily. The site is 7. (constant) updated with news, often about exciting 8. (finding) that change how we view the world.
These sites post the latest stories and also keep all the past articles they 9. (post) earlier. That way you can find articles just about anything that 10. (be) related to the science fields you are interested in.
【语篇解读】 众所周知，科学在我们的教育中充当了一个很重要的角色。文章向我们介绍了几个方便查询最新科技信息的网站。
1．解析：play an important role in...为固定搭配，意为“在……中扮演重要角色(发挥重要作用)”，因为空后有发音以辅音音素开头的very，故填冠词a。
答案：a
2．解析：你想跟上科技的最新研究和发现吗？keep up with为固定结构，意为“跟上，不落在……后面”。
答案：with
3．解析：先行词为websites，空处在定语从句中作地点状语，所以用where，相当于on which。
答案：where
4．解析：提示词为动词，该句中已经有谓语动词(reports)，提示词cover和其所修饰的名词news之间为逻辑上的主谓关系，所以用cover的v.-ing形式作后置定语，在此相当于which covers。
答案：covering
5．解析：这里构成“find＋宾语＋形容词(宾补)”结构，所以用suit的形容词形式。
答案：suitable
6．解析：另一个“我”每天查看的精彩的网站被称作Science Daily。“one that I check out every day”是主语Another wonderful site的同位语，且主语和call构成被动关系，再结合全文的时态，确定此处用一般现在时的被动语态。
答案：is called
7．解析：修饰动词updated，作状语，故用副词。
答案：constantly
8．解析：finding为可数名词，其前无限定词修饰，且定语从句中谓语动词为“change”，为复数概念，所以应用复数形式。
答案：findings
9．解析：这里指的是the past articles(以前的文章)，也就是说是以前发布的，所以用一般过去时。
答案：posted
10．解析：关系代词that指代的是先行词anything，并在从句中作主语，再结合全文的时态可知，应填is。
答案：is
1．keep a safe distance 保持安全距离
2．trap n．陷阱
3．task n．任务
4．in great danger 处于极度危险中
5．diverse adj.多样的
Its three neighbours watched with joy as it tried extremely hard to get out of the net in which it had been trapped.
[分析] as引导时间状语从句，which引导定语从句，修饰先行词net。
[翻译] 三个邻居幸灾乐祸地看着它竭尽全力地想从网中挣脱出来。
课件18张PPT。Section Ⅰ Warming Up & Reading基 础 巩 固能 力 提 升语 篇 理 解基 础 巩 固语 篇 理 解能 力 提 升点 击 进 入Unit 4 Section Ⅱ Learning about Language & Using Language
Ⅰ.七选五
Your phone is running low on power while you are waiting to fly out of an airport.
Then you discover a public USB charging area close by. 1 Then you take a deep breath and sit back, happy to get the power for free.
What could go wrong？Plenty.
In addition to providing an electrical current, phone charging cords can send and receive data. That free USB charging hub at an airport, hotel or any other public place may not only charge your phone. 2 The USB charging hub could be connecting to your phone and copying your contact list, email and text messages, voice mail, photographs and videos. It can also copy passwords, banking information and any other information stored on your phone.
If you want to charge your phone while traveling, you have other choices that do not increase your risks.
Connect your phone only to electrical outlets so data transfer is not possible. 3 It is better to use a distant wall outlet than a nearby USB charging hub.
Carry an extra, fully-charged battery. Having one means you can charge your phone without having to worry about carrying a special cord or finding a power outlet. 4
If you must use a public USB charging center, be sure to turn off your phone completely.
5 But it will reduce the chances of it happening, depending on what phone you have.
A．Remember to fully charge your phone before you leave home or work.
B．It also could be transferring information to and from the device.
C．The public USB charging hub may even download programs to your phone.
D．This may or may not prevent data transfer.
E．You can charge your phone with the extra battery wherever you are.
F．An available outlet may not be as near as a USB charging hub, but the few extra steps may keep your information safe.
G．You quickly reach for a charge cord and connect your phone to the charging hub.
【语篇解读】 本文是一篇说明文，主要介绍了在飞机场候机时，给处于低电状态的手机安全充电的方法。
1．解析：选G 上文说你会发现附近有一个公共的USB充电区域，空处下文提到你深吸一口气，舒服地坐好，为免费充电而高兴。所以空处应表示你把手机连接到充电口进行充电，故选G项“你很快拿到一根充电线，并把你的手机连接到充电中心”。
2．解析：选B 上文说机场、酒店或其他公共场所的免费USB充电中心，不仅可以给你的手机充电，再结合空后一句可知，空处应表示USB充电中心的其他作用。B项提到“它还可以把信息传入或输出设备”，前后语义衔接，故选B。且B项中的also与空前一句中的not only相呼应。
3．解析：选F 根据空处所在段的内容可知，本段推荐使用距离稍远的墙上的电源插座，而不用邻近的USB充电中心，这样可以保证手机信息的安全。F项说“一个可用的墙上的电源插座可能不像USB充电中心那么近，但是多走几步可以保证你的信息安全”，前后逻辑关系紧密，故选F。
4．解析：选E 本段的主旨是携带一个额外的、充满电的电池，而E项说“无论你在哪里，你都可以用这个额外的电池给手机充电”，为具体描述，故选E。
5．解析：选D 上文提到如果必须使用USB充电中心充电，确保将手机彻底关机。下文说但这将减少发生这种情况的机会。故D项“这可能会阻止数据传输，也可能不会”符合语境。D项中的This指代关机这个行为，故选D。
Ⅱ.完形填空
When I was 16，my family moved away to a foreign country. At the time, I thought I would be fine 1 them. I felt I wasn't a child and could go out into the big world 2 .And I wasn't 3 alone—I went to live with my uncle and his family. But it was the biggest 4 of my life. I'd always look forward to my mum's 5 ， which weren't very 6 and passed in the blink(眨眼) of an eye. I was so 7 every time my mum left.
I discovered Harry Potter while I was studying for my A-levels. I can't say I compared myself to Harry, 8 I did at the time I felt I was always alone. That was one of the things which made me feel we were 9 .
From about the age of 17 to 20, I 10 myself sometimes. It was never serious and no one ever 11 about it. It was something for me：only I would know about it. Times were 12 ， but the series always gave me something to 13 .They were there when no one else was.
Finally, the 14 helped me understand that I could 15 my friends when I was helpless and, importantly, trust them, and it then became a group 16 to get me better.
Culturally, Harry Potter has had a huge 17 on our generation(一代人)．It has taught us to care about others, 18 strangers. It's something I feel we can pass on to the next generation too.
I think if I were to meet J．K. Rowling, I'd want to 19 her. Her books have encouraged so many people to be 20 .And then I'd ask for an autograph(亲笔签名)．
【语篇解读】 本文是记叙文。《哈利·波特》使作者远离孤独和自我伤害。
1．A.except B．beyond
C．for D．without
解析：选D 由下文中的“I felt I wasn't a child and could go out into the big world”可知，“我”当时以为“没有(without)”父母在也可以过好。
2．A.apart B．alone
C．down D．around
解析：选B 下一句中的alone对本空有提示。
3．A.hardly B．just
C．still D．completely
解析：选D 由本句中的“I went to live with my uncle and his family”可知，“我”不是“完全(completely)”一个人。
4．A.choice B．dream
C．mistake D．chance
解析：选C 本句中的it指代上文中的作者认为自己一个人可以过好。由下文作者的孤独和自我伤害可知，这是作者犯的最大的一个“错误(mistake)”。
5．A.gifts B．changes
C．plans D．visits
解析：选D 由下文中的“every time my mum left”可知，作者总是在期盼妈妈的“看望(visits)”。
6．A.frequent B．necessary
C．difficult D．short
解析：选A 由下文中的“I felt I was always alone”可推断，妈妈的看望不是很“频繁(frequent)”。
7．A.calm B．pleased
C．shocked D．upset
解析：选D 由下文作者的孤独和自我伤害可知，妈妈每次离开的时候，作者都很“难过(upset)”。
8．A.if B．but
C．because D．so
解析：选B “但是(but)”在“我”感觉孤独的时候，觉得可以将自己和哈利·波特做比较。
9．A.ordinary B．connected
C．different D．unusual
解析：选B 由上文中的“I can't say I compared myself to Harry”可知，孤独感使作者觉得和哈利·波特“有联系(connected)”。
10．A.harmed B．encouraged
C．asked D．proved
解析：选A 由下文中的“It was never serious”可推断，作者常常自我“伤害(harmed)”。
11．A.cared B．thought
C．knew D．worried
解析：选C 由下文中的“only I would know about it”可知，没有其他人“知道(knew)”。
12．A.quiet B．enjoyable
C．hopeless D．slow
解析：选C 解析见下题。
13．A.look down on B．look forward to
C．look up to D．look back on
解析：选B 由转折连词but和下文中的“They were there when no one else was.”可知，每天的生活“毫无希望(hopeless)”，但是这个系列的书总能使“我”对生活有所“期盼(look forward to)”。
14．A.times B．friends
C．books D．families
解析：选C 由上下文可知，此处指《哈利·波特》这个系列的“书(books)”。
15．A.argue with B．come across
C．learn about D．depend on
解析：选D 由下文中的“trust them”可推断，此处指在“我”无助的时候，“我”可以“依靠(depend on)”他们。
16．A.member B．discussion
C．practice D．effort
解析：选D 由上下文可推断，是集体的“力量(effort)”使作者好了起来。
17．A.influence B．control
C．pressure D．decision
解析：选A 由下文中的“It has taught us to care about others”和“It's something I feel we can pass on to the next generation too.”可知，作者认为《哈利·波特》这个系列的书对他们这代人产生了巨大的“影响(influence)”。
18．A.only B．even
C．almost D．never
解析：选B 此处用even表示递进。
19．A.advise B．help
C．thank D．follow
解析：选C 由上文《哈利·波特》这个系列的书使作者远离孤独和自我伤害可推断，作者要“感谢(thank)”《哈利·波特》的作者。
20．A.easier B．faster
C．smarter D．better
解析：选D 上文中的“get me better”对此空有提示。
1．a public USB charging area 利用USB的公共充电区域
2．text messages 文本信息
3．password n．密码
4．risk n．风险
5．data transfer 数据转移
课件9张PPT。Section Ⅱ Learning about Language & Using Language基 础 巩 固能 力 提 升基 础 巩 固能 力 提 升点 击 进 入Unit 4 Section Ⅲ Grammar
Ⅰ.阅读理解
A
After the heavy rain passes, a man at a company that lies on the riverbank arrives for work. At the water's edge, he notices a baby beaver (海狸) balls up on the ground. Realizing that the animal needs help, the man picks him up and drives to a nearby animal hospital. From here the beaver is sent to the Calgary Wildlife Rehabilitation Society(CWRS), where he will begin his recovery.
Vets check the beaver—now named Birch—for wounds or broken bones. Luckily they find no injuries. “But he's a real little animal—only three and a half pounds，” says Andrea Hunt, a worker at the rehab center. According to his weight, they think that Birch is about eight weeks old. “Baby beavers stay with their families for one to two years，” Hunt says. “He's not ready to care for himself. If he hadn't been saved, he almost certainly wouldn't have survived.”
To keep Birch from getting lonely, Hunt pairs him with another baby beaver named Aspen. At first they're fed a milky cereal. A few weeks later, Birch and Aspen begin a diet (饮食) of solid food that includes leafy kale and collard greens. Wood is also on the menu. For exercise, each beaver receives its own pool to swim in.
About a year later, Birch weighs 27 pounds. “Not only is he healthy, but he's also learned good survival skills，” Hunt says. “It's time to let him go.” Early one morning the beaver is driven into a Canadian forest to be set free. Birch is carried in a cage (笼子) to the bank of a lake. When the door opens, he carefully steps out, then jumps into the water and swims away. “We'll miss Birch，” Hunt says. “But nothing feels better than putting an animal back where it should be.”
【语篇解读】 本文是记叙文。文章主要讲述了一只小海狸遇险获救并最终被放归大自然的故事。
1．On his way to work, the man .
A．gets caught in heavy rain
B．saves a little young animal
C．is driven to a hospital
D．sends a beaver home
解析：选B 细节理解题。由第一段中的“the man picks him up and drives to a nearby animal hospital”和第二段中的“If he hadn't been saved, he almost certainly wouldn't have survived.”可知，那位男子在上班途中救了小海狸一命，故选B项。
2．According to Paragraph 2, Birch .
A．moves to the rehab center with Hunt
B．loses his parents when he is born
C．is too young to care for himself
D．breaks his bones in an accident
解析：选C 细节理解题。由该段中的“...they think that Birch is about eight weeks old...‘He's not ready to care for himself.’”可知，Birch太小还不会照顾自己，故选C项。
3．Which of the following may Andrea Hunt agree with?
A．If you love him, stay with him forever.
B．It is dangerous to get close to animals.
C．Just keep a beaver as your pet.
D．Save animals, save the world.
解析：选D 推理判断题。由Andrea Hunt帮助小海狸康复并将其放归大自然的故事及她在最后一段所说的“But nothing feels...should be.”可知，Andrea Hunt会同意D项说法。
4．What would be the best title for the text?
A．Birch: a Lucky Beaver
B．Aspen: a Special Friend
C．Andrea Hunt: a Skilled Worker
D．The CWRS: Home to Injured Animals
解析：选A 标题归纳题。总览全文可知，文章主要讲述了一只小海狸遇险获救并最终被放归大自然的故事，故用A项作为标题最恰当。
B
Although onions taste delicious, watering eyes come with the process when you cut them up. Thankfully, Good Housekeeping has suggested some tips to prevent yourself from crying while you are trying to cut up an onion.
According to the findings from the Institute, putting onions in a fridge 30 minutes before cutting can prevent the annoying hurt, as the cold stops tear-jerking (催泪的) gas from being produced.
Another way to reduce the gas released by the onion is to put it in water for a while. Good Housekeeping recommends：“Cut the end off the onion and then put it straight into a bowl of water. The water will draw out the acid making your tears fewer when you cut it.”
When an onion grows, it mixes with sulfur(硫) in the soil to create a special mineral acid. When the onion is cut into pieces, it reacts and creates a gas. As it reaches your face, this annoying gas causes the eyes to produce tears.
The root is where the gases are most concentrated, so it is recommended that this part of the onion be left on as you cut it to avoid uncomfortable eyes. Do this by cutting the vegetable in half down the middle, then cut off part of one side to create a flat surface. Then, place the onion with its flat surface down and cut it towards the root.
Also, to reduce the gas's effect on your eyes, cut it next to a window or near a fan so the gas is blown away from your face. And take care to use a sharp knife；this will make it easier to move through the vegetable, causing fewer cells to be broken and less gas to be released as a result.
【语篇解读】 本文是一篇说明文，主要介绍了避免切洋葱流泪的几个方法以及切开洋葱后流泪的原因。
5．Refrigerating the onion before cutting can .
A．change its taste
B．make it easier to be cut up
C．avoid generation of the gas
D．help the gases mix more quickly
解析：选C 细节理解题。根据第二段“According to the findings...from being produced.”可知，把洋葱放在冰箱里30分钟后切可以阻止洋葱产生让人流泪的气体，故C项正确。
6．From the fourth paragraph, what happens when the onion is cut up?
A．Some acid mineral is lost.
B．The tear mixture is created.
C．The sulfur inside it pours out.
D．A chemical reaction produces a gas.
解析：选D 细节理解题。根据第四段第一、二句“When an onion grows...it reacts and creates a gas.”可知，切开洋葱后，洋葱内含有的一种特殊的酸会发生化学反应，从而产生气体，故D项正确。
7．What does the underlined word “this” in Paragraph 5 refer to?
A．Producing more tears.
B．Leaving the root uncut first.
C．Promoting concentration.
D．Making the onion more tasty.
解析：选B 代词指代题。根据第五段第一句“The root is where the gases...cut it to avoid uncomfortable eyes.”可知，洋葱的根是气体最集中的地方，所以建议把洋葱的这部分留下，以避免流泪；结合第五段第二句“Do this by cutting the vegetable...to create a flat surface.”可知，该句中的this应指“开始时避免切开根部”，故B项正确。
8．The main purpose of the text is to .
A．advise and explain
B．examine and analyze
C．argue and discuss
D．present and compare
解析：选A 写作意图题。根据第一段第二句“Thankfully, Good Housekeeping has...to cut up an onion.”可知，本文旨在介绍切洋葱不流泪的几个方法；根据第四段可知，本文还介绍了切开洋葱后流泪的原因；据此可知，本文旨在提出建议并解释切洋葱导致流泪的原因，故A项正确。
Ⅱ.短文改错
I came to the US as a exchange student a year before. There are four people in my host family. They are Mr. Garavalia, his wife and his child. The host family has a magic what has pulled me in and make me part of it. I remember when I first arrived at my house, it was far past their usual bedtime. But Mr. Garavalia still waited me in the living room and gave me a huge hug just as I walked in. I was felt so warm after 14 hours of tired flight. Every day they treat me as if I were their really family. I love them very much.
答案：
I came to the US as exchange student a year .There are four people in my host family. They are Mr. Garavalia, his wife and his .The host family has a magic has pulled me in and me part of it. I remember when I first arrived at house, it was far past their usual bedtime. But Mr. Garavalia still waited me in the living room and gave me a huge hug just as I walked in. I was felt so warm after 14 hours of flight. Every day they treat me as if I were their family. I love them very much.
1．edge n．边缘
2．recovery n．康复
3．survival skills 逃生技巧
4．process n．过程
5．release v．释放
To keep Birch from getting lonely， Hunt pairs him with another baby beaver named Aspen.
[分析] 句中不定式短语作目的状语，过去分词短语named Aspen作后置定语。
[翻译] 为了防止Birch感到孤独，Hunt 用另外一只叫作Aspen的海狸来陪伴它。
课件8张PPT。Section Ⅲ Grammar基 础 巩 固能 力 提 升基 础 巩 固能 力 提 升点 击 进 入课件29张PPT。Section Ⅳ 单元知识巩固重 点 单 词重 点 短 语重 点 句 型话 题 写 作重 点 单 词重 点 短 语重 点 句 型话 题 写 作
