阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或用括号中词语的正确形式填空。将答案写在答卷上（共10小题，每小题1.5分）

Passage1

Today,people who need heart transplants must wait and hope to receive a1._______(donate). Even if they survive the wait,they might experience organ rejection and die.But this problem could2._______(solve)soon.

3.______April15,scientists from Israel’s Tel Aviv University announced that they had created a human heart using3-D printing.“This is the first time anyone anywhere has

4.______(success)engineered and printed an entire heart.”

The heart has cells,blood vessels,ventricles(心室)and chambers,just like a real heart.But scientists still have more to figure out5.______they can start using the hearts.For one thing,the new experimental organ is tiny－about half the size of your thumb.It also can’t pump blood yet. It’s like a tiny airplane that has all of the right6.________(part),but can’t fly.

Don’t laugh,though!This is still a major7.________(achieve).The World Health Organization(WHO)says8.______(much)people die each year from heart diseases than any other cause of death.

The team used a complicated process,9._______(turn)human fat tissue(组织)into human heart tissue with stem cell technology.The tissue was then turned into“bio-ink”for the3-D printer.

Ideally,each printed heart would use tissue10._______(take)from the person who needs it. This way,the patients’bodies will be less likely to reject the organ,making transplants much safer. In theory,the technique could be used to produce a new heart in just one day.

Passage2

Most of us take our meals for granted1.______there is always plenty of food available.But many people around the world aren’t as lucky.Instead,they suffer from serious hunger each day.

According to a recent UN report,about113million people in53countries suffered from acute hunger last year.The number of people suffering from hunger2.______(stay)above100 million for the last three years.

Acute hunger is the most extreme form of hunger－it refers to those who will die soon 3._____they don’t have food.Nearly two4._______(three)of people facing acute hunger come from just eight countries,5.______(include)Ethiopia,Syria and Yemen,the report noted.

One reason for this is war.Some74million people,or over half of the number of people facing acute hunger,are living in war-torn countries.

In addition,climate change and6._______(nature)disasters pushed another29million people into acute hunger in2018,according to the report.This number includes people in southern Africa7._______faced droughts last year.

UN World Food Program Executive Director called for world leaders to take actions in order to meet the UN’s goal of getting rid of hunger.He called on them to solve the problems that are causing so many people to go8._______(hunger).

China has been working hard to deal with its own hunger problem,9.______(lift)80million people out of10.______(poor)over the past decade,Xinhua reported.Passage3

A few years ago,it was common to see videos of friends on social media having a bucket of icy water1.______(throw)on them.Known as the“ice bucket challenge”,it was created as a way to raise money for a disease.But now,there’s a new challenge–and this time,no water is involved.

What is it?Well,think of a fruit that you’d never2.______(normal)sink your teeth into. Perhaps you’ve got it:a lemon.While we enjoy3._______(use)lemons to add flavor to dishes, very few of us would4.______(actual)eat one as we’d eat an apple or an orange.

But the horrible taste is the precise reason for the challenge.5.______(participate)bite into a lemon,taking a selfie as they do it6._______posting the photo online.The fun is all about the expression people make when citric acid(柠檬酸)hits their taste buds.Every expression seems to say,“This is worse than7._______(freeze)water.”

The challenge aims to raise8.______(aware)of a rare brain cancer that affects young children.It was started by Aubreigh Nicholas,an11-year-old US kid.She was diagnosed with this rare brain cancer herself in September2017,but has raised almost$50,000to cover her medical expenses thanks to the challenge.

Obviously,if a challenge is going to raise9._______(public)and contributions from people, it has to be something interesting and original.And it needs to be something many people can take part in.

That was why the ice bucket challenge took off in2014,and it explains why so many people are now sharing their lemon faces10.______a laughing global online population.

Passage4

If you’ve ever stayed up late and then gotten up early the next day,you know1.______it’s like to not get enough sleep.It’s a very2.________(comfortable)feeling.In fact,scientists have long believed that sleep is like food–3.______we don’t get enough of it,we might get sick or even die.But now they are starting to wonder how much sleep we need.

Researchers at Imperial College London4.______(recent)did a study on fruit flies.They found that flies that slept for very short periods of time–about72minutes a day–still lived about as long as flies that slept for normal amounts of time,according to Live Science.One of the female flies slept for just4minutes each day5.______average.This has led the researchers

6.______(wonder)if sleep is less necessary than we previously

7.______(think).

Humans are very different from fruit flies.According to the Sleep Foundation,sleep is the time when our bodies perform a lot of maintenance,for example,repairing tissue(组织)and growing muscle.Sleeping allows our bodies to recover from the stress we experience each day.

But can we really die from not sleeping?No humans8.______(die)so far from staying awake for too long.The current world record for sleeplessness9.______(hold)by Randy Gardner from the US,who stayed awake for11days and25minutes in19.10.______,Gardner did experience serious side effects,such as moodiness(忧郁)and memory loss.

Passage5

Wait patiently for a rewarding life

I walked into a restaurant and ordered some food.After about20minutes,a large group of people came in and placed their own1._______(order).

To my2.________(disappoint),the group got served before me.I watched as they began to eat and laugh3._______(hearty).I overheard one of them bragging about how he’s connected tosomeone who works at the restaurant.Unable to take it anymore,I decided to leave.I called the waiter over4.______(cancel)my order.

He calmly told me,“Yours is a special order being prepared5.______the head chef himself. It’ll take a little more time.Please have a drink while you wait.”

I calmed down and waited patiently.Shortly after,my meal6._______(serve)by six waiters.

To my surprise,the owner of the restaurant turned out to be a long-lost friend of mine.He’d seen me as I walked in and decided to surprise me.He upgraded my simple meal to a five-star meal for free.The people at the other table were7._______(shock)and couldn’t stop staring. Suddenly they started murmuring,8.________(ask)why they didn’t get that kind of service.

Such is life!Some people are ahead of you,laughing at you and talking about9.______they are smarter,wiser and better than you,how they are well-connected and blessed.You are working hard tirelessly,wondering why it’s taking so long for you10._______(reward)the way they have.

You just have to wait longer because your reward is more special.

Passage6

Britain is a small island,but it is home1.______many accents.However,some people think they need to change their accent so people can understand them better.Eight percent of Britons have changed their accent2._______(sound)more posh–3.______upper class accent that is similar to the queen’s accent.People with this kind of accent speak slowly and4.______(clear), with a plain tone.They do this to sound more well-educated and improve their chance of

5._______(get)a good job.When they want to meet new people,they’ll change their accent to sound more friendly and worldly.

6.________,people who already sound upper class aren’t always happy

7.______their accent.Four percent of Britons have changed their accent to sound less posh.People who are known to be upper class will try to sound like the“common man”in order to gain support for

8.______(elect).

Britain has a long history of class awareness,so this may explain why Britons care so much about how they sound.Some parts of the country are more9._____(pride)of their accent than others.Only2percent of Scottish people have changed their accent,while16percent of people from10.______(center)England have admitted to toning down their accent.答案

Passage1

(1.donation2.be solved3.On4.successfully5.before6.parts7.achievement8.more9.turning 10.taken)

Passage2

(1.because2.has stayed3.if4.thirds5.including6.natural7.who8.hungry9.lifting10.poverty) Passage3

(1.thrown2.normally3.using4.actually5.participants6.before7.freezing8.awareness9.publicity 10.with)

Passage4

(1.what2.uncomfortable3.if4.recently5.on6.to wonder7.thought8.has died9.is held

10.However)

Passage5

(1.orders2.disappointment3.heartily4.to cancel5.by6.was served7.shocked8.asking9.how 10.to be rewarded)

Passage6

(1.to2.to sound3.an4.clearly5.getting6.However7.with8.elections9.proud10.central)下载本文