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期中英语试卷
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一、阅读理解（本大题共16小题，）
A
Urban Transportation in CanadaPublic transportation & Transit passes
All cities and most major towns in Canada have a public transportation system with one or more modes of transportation （bus，subway， train， etc．）． The bus is the most common form of urban transportation in Canada． To use public transportation， you must purchase a ticket or a transit pass． Transit passes allow you unlimited use of public transportation for a specific period （one month or more）． They are usually cheaper than buying many tickets if you plan to use public transportation often．
Transportation for people with disabilities
Public transportation often has features to assist people with disabilities． In many cities and towns， there are also transportation services available specifically for people with limited mobility， such as specially equipped buses． You can find out about these services in the same way you would learn more about other public transportation options．
Etiquette on public transportation
When taking public transportation such as a bus or train， it is important to understand the unspoken rules of conduct in the shared space． Here are a few things to note：
♦ Be polite and respectful to others around you． For example， maintain an appropriate noise level when talking or making a phone call．
♦ If you are carrying a backpack or a large shoulder bag in a crowded public transit vehicle， keep it close to you， preferably at your feet to avoid hitting people with it as you walk by．
♦ Avoid pushing or touching others in order to make more room for yourself． Sometimes public transit can become very crowded， but it is important to keep calm and give others appropriate personal space．
♦ Have your proof of payment accessible in case you are asked to show it．
What is the advantage of using transit passes over buying tickets？ ______
A. Safer trips． B. Longer service hours．
C. Lower costs． D. More use of transport．
How does the transportation system help people with disabilities？ ______
A. By running special transport services．
B. By offering fewer transportation options．
C. By limiting their mobility on city buses．
D. By providing free rides in towns and cities．
What is considered impolite on public transportation？ ______
A. Lowering your speaking voice．
B. Placing backpacks at your feet．
C. Staying close to other passengers．
D. Having your proof of payment at hand．
B
Many people believe eating healthily is expensive - and more costly than buying junk foods． But our new research， published in the BMC Public Health， shows this isn't the truth．
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Most of the Australian family food budget （（预算）） is being spent on junk foods and drinks that are high in fat， sugar and salt．
Less than 7% of Australians eat healthily． The Australian adults get at least 35% of their energy from junk foods and drinks． As a result， two-thirds of adults （63%） and one-quarter of children are overweight．
We used the Australian Health Survey 2011-2013 and the suggestions of the Australian Dietary Guidelines to model healthy diets for a family of two adults and two children every two weeks． We collected food prices in supermarkets and stores in high- and low-socioeconomic （（社会经济地位低的）areas in Brisbane， and compared the diet prices with family incomes．
In both areas， a family of two adults and two children spend about 18% more on present diets than would be required to buy healthy diets． About 58% of the food budget for present diets is spent on junk foods， including takeaway foods （14%）， and sugary drinks （4%）．
In the low-socioeconomic area， a family of two adults and two children spend ﹩ every two weeks on their present diets，but could buy a healthy diet for﹩ every two weeks． In the high-socioeconomic area， these numbers are ﹩ and﹩．
Supermarket food prices were about 3% higher in the high-socioeconomic location． Takeaway foods were also relatively more expensive， but sugary drinks were priced similarly in both areas．
Present diets cost more than healthy diets， so causes other than price must be helping to drive preferences for unhealthy choices．
What did the researchers find？ ______
A. Australians have a preference for sweet foods．
B. Most Australian kids have fat problems．
C. Half Australians live on junk foods．
D. Most Australians eat unhealthily．
How did the researchers get the result？ ______
A. By making a comparison．
B. By doing the study online．
C. By carrying out interviews．
D. By asking personal questions．
What can we learn from Paragraph 5？ ______
A. Australian foods are healthier．
B. A healthy diet is actually cheaper．
C. Health foods are becoming more expensive．
D. People choose junk foods for their low prices．
What might a following paragraph be about？ ______
A. The harm of junk foods．
B. How we can eat healthily．
C. Why people choose junk foods．
D. The advantages of a healthy diet．
C
Most people around the world are right-handed． This also seems to be true in history． In 1799， scientists studied works of art made at different times from 1，500 B．C． to the 1950s． Most of the people shown in these works are right-handed， so the scientists guessed that right-handedness has always been common through history． Today， only about 10% to 15% of the world's population is left-handed
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．
Why are there more right-handed people than left-handed ones？ Scientists now know that a person's two hands each have their own jobs． For most people， the hand is used to find things or hold things． The right hand is used to work with things． This is because of the different work of the two sides of the brain． The right side of the brain， which makes a person's hands and eyes work together， controls the left hand． The left-side of the brain， which controls the right hand， is the centre for thinking and doing problems． These findings show that more artists should be left-handed， and studies have found that left-handedness is twice as common among artists as among people in other jobs．
No one really knows what makes a person become right-handed instead of left-handed． Scientists have found that almost 40% of the people become left-handed because their main brain is damaged when they are born． However， this doesn't happen to everyone， so scientists guess there must be another reason why people become left-handed． One idea is that people usually get right-handed from their parents． If a person does not receive the gene（基因） for right-handedness， he / she may become either right-handed or left-handed according to the chance and the people they work or live with．
Though right-handedness is more common than left-handedness， people no longer think left-handed people are strange or unusual． A long time ago， left-handed children were made to use their right hands like other children， but today they don't have to．
After studying works of art made at different times in history， the scientists found ______ ．
A. the art began from 1，500
B.
C. B． the works of art ended in the 1950s C． most people shown in the works of art are left-handed
D. most people shown in the works of art are right-handed
How many people in the world are left-handed now？ ______
A. More than a half． B. Less than one sixth．
C. About 40%． D. The passage doesn't tell us．
What is the hand for most people used to do？ ______
A. It's the centre for thinking and doing problems．
B. It's used to work with things．
C. It's used to make a person's eyes work together．
D. It's used to find or hold things．
According to the passage， which of the following is NOT true？ ______
A. Left-handedness is cleverer than right-handedness．
B. No one really knows what makes a person become right-handed．
C. Today children are not made to use their right hands only．
D. Scientists think there must be some reason why people become left-handed．
The best title for this passage is ______ ．
A. Scientists' New Inventions
B. Left-handed People
C. Different Brains， Different Hands
D. Which Hand
D
A black hole is created when a large star burns out． Like our sun， stars are unbelievably hot furnaces （熔炉） that burn their own matter as fuel． When most of the fuel is used up
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， the star begins to die．
The death of a star is not a quiet event． First there is a huge explosion． As its outer layer is exploded off into space， the dying star shines as brightly as a billion suns．
After the explosion gravity pulls in what's left of the star． As the outside of the star sinks toward the center， the star gets smaller and smaller．The material the star is made of becomes tightly packed together． A star is so dense（密集的） that a teaspoon of matter from it weighs billion of pounds．
The more the star shrinks （缩小）， the stronger the gravity inside it becomes． Soon the star is very tiny， and the gravity pulling it in is unbelievably strong． In fact， the gravity is so strong that it even pulls light into the star! Since all the light is pulled in， none can go out． The star becomes black when there is no light． Then a black hole is born!
That's what we know about black holes． What we don't know is this： What happens inside a black hole after the star has been forced into a tiny ball？ Does it keep getting smaller and smaller forever？ Such a possibility is hard to imagine．
But if the black hole doesn't keep shrinking， what happens to it？ Some scientists think black holes are like doorways to another world． They say that as the star disappears from our universe， it goes into another universe． In other words a black hole in our universe could turn into a "white hole" in a different universe． As the black hole swallows light， the white hole shines brightly-somewhere else． But where？ A different place， perhaps， or a different time - many years in the past or future．
Could you travel through a black hole？ Right now， no． Nothing we know of could go into a black hole without being crushed（压碎）． So far the time being， black hole must remain a mystery．
Black holes are a mystery-but that hasn't stopped scientists from dreaming about them． One scientist suggested that in the future we might make use of the power of black holes． They would supply all of Earth's energy needs， with plenty to spare． Another scientist wondered if a black hole could some day be used to swallow earthly waste-a sort of huge waste disposal（处理） in the sky!
What happens when the star begins to die？ ______
A. there is no fuel left in it
B. its outer layer goes into space first
C. it doesn't give off light any longer
D. a huge explosion will happen
Which of the following doesn't help produce a black hole？ ______
A. The gravity inside the star is very strong．
B. The light can't go out of the star．
C. The dying star shines very brightly．
D. The star becomes smaller and smaller
The black hole ______ ．
A. can pull in everything we know of in the world
B. goes into another universe and becomes a white hole
C. continues becoming smaller and smaller all the time
D. will appear at another place at a different time
What's the best title for this passage？ ______
A. A New Scientific Discovery： Black Holes
B. How Do Black Holes Come Into Being？
C. Travel Through A Black Hole
D. What Are Black Holes？
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二、阅读七选五（本大题共5小题，）
How to Create Luck in Everyday Life In everyday life， having a positive way allows you to create your own luck． Here are some tips．
Be Grateful For What You Have
Some people are already lucky， and they just don't know it． (1) ．You no doubt have some wonderful friends， family， a roof over your head and food on the table． By recognizing these things regularly， you can immediately feel more lucky．
Develop the Network
(2) ．Knowing different people can make you get access to skills， opportunities， connections and more． You