阅读下列短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。
Within the next 80 years, our lives may be changed a lot by 3D printing. It has already （1） many things in our lives, right down to the food we eat. For example, some （2） in London have served 3D-printed hamburgers to customers.
But perhaps the biggest success that people have achieved is in medicine. It is （3） when people see a beating heart printed with 3D printing technology. The printed body part might help people live a normal life again （4） an illness or an accident. And it is not just humans who are （5） —in Brazil, people have built new 3D-printed body parts for animals injured in a forest fire!
（1）
| A． |
wasted |
B． |
tested |
C． |
influenced |
D． |
separated |
（2）
| A． |
restaurants |
B． |
offices |
C． |
libraries |
D． |
hospitals |
（3）
| A． |
tiring |
B． |
relaxing |
C． |
amazing |
D． |
disappointing |
（4）
| A． |
before |
B． |
after |
C． |
until |
D． |
through |
（5）
| A． |
training |
B． |
arguing |
C． |
fighting |
D． |
benefiting |
My twin brother is called Daniel, and he is four_1__younger than me. Our birthdays are __2__ on the 5th of January. We have the same eyes and noses. Most people say we __3__ the same, but Daniel looks a little __4__than me. We aren’t in the same class at school, __5__ my parents want us to be a bit different. We often ___6__ the same way, but we choose different___7___ .I like red and he likes blue. I think we are very___8___ .He is really, really active, and he__9___ every day. He also plays computer games a lot but I don’t. At school I always come top, but he hardly ever does well___40__ the exams. So teachers often say we are very different .
A．years B．weeks C．minutes D．hours
A．all B．both C．also D．either
A．look B．think C．sound D．see
A．taller B．hotter C．smarter D．shorter
A．because B．if C．though D．but
A．study B．play C．wear D．put on
A．colors B．kinds C．prices D．style
A．serious B．quiet C．different D．atletic
A．sleeps B．exercises C．studies D．smile
A．in B．at C．for D．on
Mrs. Black was a famous musician a few years ago. She 1 music at a school and her students did well in their lessons. They liked her very much. Now the old woman stays at home with her husband. The old man looks after his wife well and she 2 worries about anything. And she is very 3 .
Just like some old people, Mrs. Black finds that her memory(记忆) is falling. Sometimes she 4 what she did or will do. It often gets her in trouble. Her 5 noticed（注意到） it and asked her to see a famous doctor. He bought two tickets 6 London and told her he put 7 into her handbag while she was playing the piano. The next morning, they got to the 8 just on time to catch the plane. Mrs. Black said,“I wish we had the 9 with us.”
“Don’t be a fool, dear!”said Mr. Black,“We are not going to a concert, but to see a10 .”
“I know，”she said，“but I left the tickets on it!”
A．loved B．taught C．enjoyed D．studied
A．always B．often C．never D．sometimes
A．sorry B．worried C．sad D．happy
A．forget B．remember C．forgets D．remembers
A．husband B．daughter C．son D．student
A．to B．in C．from D．of
A．it B．them C．this D．that
A．airport B．bus stop C．station D．hospital
A．money B．music C．tickets D．piano
More and more Americans are going to work by bike. Do you know why more people are 1 bikes to work? We can answer the question in 2 ways. First, bikes don’t need gasoline (汽油), so it takes 3 money to use them. Second, a bike doesn’t 4 much space (空间), so it is 5 to find a place for it. And riding a bike is good for one’s 6 . People often drive their 7 to offices or to shops, but now people think riding bikes is a good way of doing sports.
That’s 8 more Americans are now riding to work 9 bike, and they are 10 their own cars at home.
A．making B．riding C．jumping D．believing
A．popular B．different C．famous D．friendly
A．less B．more C．much D．many
A．mend B．need C．have D．find
A．easy B．hard C．cheap D．expensive
A．journey B．health C．study D．work
A．buses B．trains C．cars D．boats
A．what B．why C．how D．where
A．by B．on C．at D．in
A．cleaning B．leaving C．staying D．learning
Lucy and Jim live in China. They 1 friends. They are 2 the same school. They have lessons from Monday to Friday. They3 to school together in the morning.
They have four classes in the morning and two in the 4 . They have lunch at school. After school, Lucy goes 5 and does her homework, 6 Jim stays at school. He plays basketball with his classmates.
On Saturday Jim plays computer games at home but Lucy has to go to her 7 lessons in a music club. On 8 Jim stays at home and watches TV. Lucy has to learn to play 9 piano. Lucy is so busy. She has little time 10 . How she envies（羡慕） Jim!
A．be B．is C．are D．makes
A．on B．in C．of D．to
A．play B．go C．come D．do
A．noon B．afternoon C．evening D．night
A．home B．classroom C．playground D．library
A．and B．so C．but D．because
A．swimming B．drawing C．reading D．singing
A．Saturday B．Monday C．Weekday D．Sunday
A．the B．a C．/ D．an
A．play B．to play C．study D．to study
You want to run across the street to catch the bus which is leaving soon? But 1 ! You’d better not. If a policeman sees you, you’ll have to pay a fine (罚款).
New traffic laws (交通法) say that 2 people cross the street when the light is red, they can be fined as much as 50 yuan.
Traffic accidents 3 more than 104,000 people in China last year. Chinese cities have 4 cars than ever. Drivers and pedestrians (行人) must work together to make the streets 5 .
The law has new rules for drivers and pedestrians. Drivers have to 6 down when they are close to crosswalks. If people are in a crosswalk, cars must 7 to let them pass.
There are 8 for bus drivers, too. If bus drivers smoke, drink or make phone calls 9 driving, they can be fined. Buses that carry too many people are 10 against(违反)the law.
Pedestrians will have to walk more safely under the new law. They must cross streets at crosswalks. Also, they shouldn’t climb over the fences (栅栏) 11 streets.
Do you ride a bike to school? It’s not a good idea to 12 classmates on the back. You could be fined 50 yuan. And stay in the bike lane (慢车道) when you’re riding. The big roads are 13 cars and buses.
If you see a hit-and –run (肇事逃逸), tell the police. They may give you a reward (奖赏). And don’t be 14 to help people to the hospital if they are hurt in an accident. Don’t worry about money. The new law says that 15 must take care of them even if they can’t pay right away.
A．hurry B．look C．wait D．listen
A．if B．when C．so D．though
A．did B．killed C．died D．ran
A．fewer B．more C．less D．larger
A．safer B．happier C．lighter D．slower
A．slow B．play C．run D．pass
A．like B．go C．turn D．stop
A．rules B．articles C．letters D．exercises
A．if B．while C．because D．as
A．also B．sometimes C．never D．often
A．through B．across C．into D．along
A．carry B．take C．bring D．move
A．in B．on C．for D．at
A．happy B．afraid C．sad D．great
A．policemen B．doctors C．teachers D．farmers