3D printers have been used in factories 【4】 about ten years．They are 【5】 to test part（部件）designs for cars and planes．They make objects out of liquid（液体）and plastic．

The printers are sold for about 15,000 dollars each．But in the next two years，prices are expected to fall 【6】around $5,000．Then they will 【7】 able to be used in offices and homes．

“In the future，everyone will have a printer 【8】this，”said Hod Lipson，a Cornell University professor．“You'll be able to print a toothbrush，a fork or a shoe．”

Schools can buy them for design（设计）classes．Doctors print models from CT scans to help in operations．

You will also be able to make toys．“It's easy to【9】a Barbie design，scan your head，【10】 the head on Barbie and print it out，” suggests Joe Shenberger，who works for a 3D printer company．

【1】The bridge ____________（finish）in three weeks．

【2】You can go out if your homework ____________（do）．

【3】This is one of the things that ____________（see）that day．

【4】This is the only one of the things that ____________（see）that day．

【5】When was PRC ____________（found）?

【1】They will give her a gold medal．

_________________________________________________________

【2】They will read the book．

_________________________________________________________

【3】The rabbits will eat the carrots．

_________________________________________________________

【4】The teacher will mark the students' homework tonight．（用be going to be done转换）

_________________________________________________________

【5】They will finish this project in five years．（用be going to be done转换）

_________________________________________________________

—You'd better ______ one ______ the library．

A. lend，from；borrow，toB. borrow，to；lend，from

C. lend，to；borrow，fromD. borrow，from；lend，to

—＿＿＿＿＿＿

A. I'm sorry about this. B. No problem.

C. Sure, I'd love to. D. Never mind.

"It'sreallyamiracle!"theGreenssaidhappily．

根据短文内容用简要答语回答51-53三个问题．将短文中划线的两个句子(54 、55)翻译成中文或英文．

【1】DidtheGreensenjoythemselvesinZhangjiajie？____

【2】WheredidtheGreenslosetheircamera？____

【3】IfyouweretheChineseboy，whatwouldyoudo？____

【4】____

【5】____

The mother thought that she had caught a bad cold and became very worried，so she drove her Centre Hospital right away．

They got to the doctor's waiting room at 8：20．There were too many patients，so they had to wait there．At 11：20，Amy finally saw the doctor．The doctor asked her a few questions and began to check her．He listened to her breathing and took her temperature．After finishing her check-up．The doctor was sure that she was quite sick，although he still couldn't make sure what was wrong with her．There were more tests that he could do to find out her illness， but at first，he decided to just ask her about her symptoms（症状）to see if he could get a better diagnosis（诊断）．

The doctor asked，"Young lady，what is troubling you the most right now? "The little girl answered："What's troubling me the most? It's my elder brother Johnny．He is always breaking my toys and sometimes beats me!"

【1】What'swrongwithAmyyesterdaymorning？____

A. Shehadatoothache．

B. Shehadasoreback．

C. Shedidn'tfeelwell．

【2】HowdidAmygotoCentreHospital？____

A. Bycar．

B. Bybus．

C. Bytaxi．

【3】HowlongdidAmywaitinthedoctor'swaitingroom？____

A. Onehour

B. Two hours

C. Three hours

【4】Which of the following is NOT true？____

A. Amy's mother took her to hospital．

B. The doctor could make sure what's wrong with Amy after checking her．

C. The doctor wanted to ask Amy about her symptoms before doing more tests．

【5】What can we infer（推断）from the passage？____

A. The doctor was sure that Amy was quite sick．

B. Amy didn't really understand the doctor's question．

C. Amy's brother was always breaking her toys and sometimes beat her．

In many countries，there are lots of stories of firefighters saving animals trapped in strange places．For example，several firefighters in England saved a dog trapped in a wheelchair （轮椅） last winter．Also，firefighters often save people trapped in very unusual places．Once some firefighters saved an adult American trapped in a washing machine．They cut up the machine and helped him out in the end．Sometimes，firefighters also have to save any person in danger --even when the person is doing something wrong or breaking the law（法律）．

Firefighters always come to help people in need even at the risk of their own lives．They are heroes in our hearts．

【1】Firefighters only need to fight fires．____（判断对错）

【2】Firefighters often save people or animals that are trapped．____（判断对错）

【3】A dog trapped in a wheelchair was saved by firefighters in England．___（判断对错）

【4】Firefighters needn't save a person in danger who is breaking the law．___（判断对错）

【5】Sometimes firefighters need to risk their own lives to help people in danger．__（判断对错）

One morning，I was getting up when I _____the sound of the little birds．I ran out of my bedroom and found two babies eating food on the ground in the _____I thought they dropped off their house，so I decided to help them get back to their house．At that time，the _______bird and the mother bird came back．They brought some food for the third baby．They put it on the ground．_____ their third baby．To get the food，she had to fly to it．Although she was_______，she was afraid of getting out of the house to eat it．To my _____．her parents just stood there and did nothing．After about ten______ the third baby bird didn't have any other choice．She slowly went to the border（边缘）of the house and began to______，she flew down from the house．Finally，she landed safely on the ground and found the food soon．

These birds taught us a lesson：If we want our food，we will have to learn to fly on_____．

【1】A. twoB. threeC. five

【2】A. heardB. smeltC. saw

【3】A. gardenB. houseC. bedroom

【4】A. sisterB. brotherC. father

【5】A. besideB. nexttoC. farawayfrom

【6】A. fullB. hungryC. thirsty

【7】A. joyB. surpriseC. excitement

【8】A. daysB. weeksC. minutes

【9】A. flyB. eatC. run

【10】A. ourselvesB. yourselvesC. themselves

Oneday，hegavearoomtoeachof【4】（they），Youmustfilltheroomcompletely（完全地）withanythingyouwish．Butthereshould【5】（be）nospaceleftandyoucan'taskforadvicefromanyone!"

Thenextdaytheking【6】（visit）hiselderson'sroom．Theroomwascompletelyfilledwithgrass．Thekingfeltsorryaboutit．Thenhewentto【7】otherroom，butitwasclosed．His【8】（young）sonaskedhimtogetinandclosedthedooragain．Itwasdarkeverywhere，sothekingshoutedathim【9】（angry），Butsuddenlythesecondsonlightedacandleandtheroomwasfulloflight．Thekingfeltveryexcitedandhuggedhimproudly．

Herealized：Wisdom（智慧）ismoreimportantthansimpleanswers【10】areeasytoget．