1、________ its suicide rate double in less than a decade, the country will also set up more counseling centers and try to increase awareness of the risks of depression.
A. Having seen B. Seeing
C. To see D. Seen
2、Tourism has already in South Africa, a country thousands of miles away From West Africa of Ebola, which killed about 4,000 people.
A.increased B.directed
C.declined D.boomed
3、Nowadays, there still exist a lot of challenges facing some developing countries, the greatest is hunger.
A.that B.of which C.whose D.to which
4、It was nice ________ John to lend George the money.
A. of B. for C. to D. towards
5、He drove slowly on the road, ________ the quiet of the evening.
A.enjoying
B.having enjoyed
C.enjoyed
D.to enjoy
6、Japan is negatively influenced by the US-Japan security agreement, _____ it has relied a lot.
A.where B.when C.on which D.in that
7、 People planted trees on the waste hills_________ water and soil loss.
A. to decrease B. decreasing
C. decreased D. decrease
8、Over thousands of years, we Chinese people have been keeping our civilization ______ with our diligence and intelligence.
A.on the increase
B.on the move
C.in order
D.in use
9、The thief made a little hole in the wall,________ he could see what was going on inside the house.
A.on which
B.in which
C.through which
D.at which
10、 ______rise in carbon dioxide is causing _______ steady increase in global warming.
A. The; a B.不填; a C. The;不填 D.A;the
11、Sally was excited to meet Susan at the party last night.They _____ each other since they graduated from Oxford University in 2010.
A.haven’t seen B.hadn’t seen
C.didn’t see D.don’t see
12、She ______ the table and said the dinner was ready.
A. lay B. laid C. lied D. lain
13、 ---_____ you play the violin at midnight? It disturbs the neighbours!
--- Sorry, I was too absorbed in it and forgot the time.
A. Can B. Should C. Would D. Must
14、The famous star _____ in New York ever since she moved there in 1987.
A. lived B. is living
C. has been living D. had lived
15、Switzerland joined UN after having been ________for decades.
A. natural B. neutral
C. noble D. novel
16、— What do you mean when saying every minute counts?
— A man who dares to waste one hour of time _________ the value of life.
A. hadn’t discovered B. hasn’t discovered
C. didn’t discover D. isn’t discovering
17、____ Britain has agreed to join the China-led international development bank - Asian Infrastructure Investment Bank (AIIB), German and Italy will follow suit(跟风,学样).
A. Now that B. In case
C. Even if D. As if
18、This is the first time that I’ve come to London, so I would like to try something ________British.
A.normally B.clearly C.generally D.typically
19、My parents always eat ____meals in order to leave all the best things for me.
A.plain B.painful C.proper D.picnic
20、We bought them at ten dollars by ________.
A.a kilogram B.the kilogram C.kilogram D.kilograms
21、It's hair-raising news for criminals on the run. Scientists behind a new study have worked out how to identify individuals only based on the proteins(蛋白质) in a single piece of their hair.
While the police already look at DNA from hair as part of investigations, the technique is far from ideal: DNA is easily changeable, meaning it can only be analyzed within a certain time period after the crime. But the new technique could even be used to solve historical or archaeological cases, making it far superior to DNA arrangement in many ways.
DNA change depends on several environmental factors including temperature, humidity and PH. It is also affected by the activity of bacteria and other microorganisms. In contrast, actual hairs can survive for a long time-----sometimes centuries. After bones and teeth, hair is in fact one of the most resistant structures of the human body.
In order to understand how the protein can be used to identify individuals, it is important to understand proteins are coded by DNA. This means that a certain level of the genetic variation that we see in different people's DNA passes into their proteins. In fact, genetic information in the DNA is translated into chains that make up proteins.
The method not only allows for human identification but it can also show how old the sample is and what region it comes from, so that we can distinguish between current and ancient samples. But while the discovery is exciting, the technique is not quite polished enough to be used in the court room. The main task now will be to analyze hair samples from all over the world, which will make it a lot more reliable.
The new discovery will promote the significance of hair as evidence in courts, at a time when some forensic(司法鉴定的) disciplines have been criticized in the US. It will also be of great use in archaeology.
【1】What's the main idea of the passage?
A. DNA evidence is far from ideal.
B. Criminals on the run get hair-raising news.
C. Scientists are planning a test of human hair.
D. Humans can be identified by proteins in hair.
【2】Which evidence is more reliable for the police to identify a criminal?
A. Lost teeth B. The footprint.
C. Personal belongings D. Damaged DNA.
【3】In what way is the new technique superior to DNA test?
A. Serving as evidence in courts.
B. Possessing genetic information.
C. Inferring the height of a person.
D. Distinguishing the region of a person.
【4】What will scientists do in the following few years?
A. Test hair samples worldwide. B. Legalize the hair evidence.
C. Apply protein-test to archaeology. D. Map the structure of DNA.
【5】Who will welcome the discovery?
A. Criminals. B. Employers.
C. Hairdressers. D. Archaeologists.
22、The journey of a hi-tech message in a bottle has revealed the damage of plastic (塑料) pollution — as it was tracked more than 1,700 miles in a few months.
British researchers put GPS and satellite tags in 25 plastic bottles, and left them to drift (漂流) in the river Ganges(恒河) and Bay of Bengal (孟加拉湾) in India. Using mobile phones and satellite networks, the team tracked the containers across the sea — with one crossing 1,768 miles in just 94 days.
They hope the tech could be a “powerful tool” for raising awareness and changing behaviour. “Our message in a bottle tag shows how far and how fast plastic pollution can move,” said lead author Dr Emily Duncan, of the University of Exeter. “This is a truly global issue, as a piece of plastic dropped in a river or ocean could soon be washed up on the other side of the world,” she said. “Bottles in the Ganges moved in stages and got stuck — but once at sea covered greater distances, following coastal currents before dispersing (扩散) more widely.”
The 500ml containers were made the size, shape and buoyancy (浮力) of one normal plastic drink bottle to copy the movement of real rubbish. And open source hardware was used for the electronics inside, meaning researchers can “copy, modify or improve the solution we presented to track other plastics,” the team said.
“This could be used to teach about plastic pollution in schools, with children able to see where their bottle goes,” said another researcher. “Data from these tags could feed into global models to give us a clearer picture of how plastic moves across the ocean and where it ends up.”
【1】Why did the researchers put GPS and satellite tags in the bottles?
A.To learn the bottles’ travel route.
B.To measure the bottles’ drifting time.
C.To prevent the bottles from being lost.
D.To test the satellite network technology.
【2】What can be inferred about plastic pollution according to Emily Duncan?
A.It has caused global concern.
B.It can’t be effectively monitored.
C.It spreads more quickly than expected.
D.It can be controlled in the early stage.
【3】What can we know about the bottles used in the research?
A.They are full of real rubbish.
B.They are of the same shape.
C.They won’t get stuck at sea.
D.They have more buoyancy.
【4】What is the last paragraph mainly about?
A.The benefit of the research.
B.The findings of the team.
C.The tracks of the bottles.
D.The importance of data analysis.
23、 It's the last dream for many to move to a big city and make a shining new life.
But as we all know, metropolitan living comes at a cost, especially if you pick Hong Kong, Paris or London, which are the world's most expensive cities according to a new research.
The Economist Intelligence Unit (EIU)-which rates 133 global cities, and compares the price of a basket of 138 everyday items in each-has ranked them as joint top of the table.
The European cities have passed Singapore and Osaka, which tied with Hong Kong in the previous Worldwide Cost of Living Survey, carried out in March.
The changes are especially marked this time around, with the report doubling as an assessment of the influence of the Covid-19 pandemic on prices around the world.
Singapore and Osaka are now down to fourth and fifth respective, with Tel Aviv tying with Osaka in fifth place. An exodus of foreign workers during the pandemic is behind Singapore's drop, which saw its population fall for the first time in 17 years, according to the EIU.
The top 10 is completed by Geneva, New York City, Copenhagen and Los Angeles.
The biggest rise is Tehran, which has climbed up the ladder from 106th to 79th, due to US sanctions impacting supplies. Reykjavik, Rio de Janeiro and Sao Paulo show the biggest price drops. The EU owes the Brazilian cities' rankings to “weak currency and rising poverty levels”. Brazil, of course, has suffered hugely during the pandemic.
“The Covid-19 pandemic has caused the US dollar to weaken while western European and north Asian currencies have strengthened against it, which in turn has shifted prices for goods and services " said Upasana Dutt, head of worldwide cost of living at the EIU.
“The pandemic has changed consumer behaviour, as lockdowns such as working from home have increased the prices of consumer electronics and at-home-meals have taken the place of restaurant dining for middle-class families ."
As for the future, things don't look wonderful. The EIU predicts that the trends will continue, with people cautious about spending and sure to struggle to make ends meet during 2021.
【1】According to the passage, which of the following statements is true?
A.Living in Hong Kong means living a happy life.
B.The pandemic forces people to work at the office and eat meals at home.
C.People in Brazilian cities enjoy rising living standards because of the biggest price drop.
D.Singapore and Osaka used to tie with Hong Kong in the Worldwide Cost of Living Survey.
【2】The underlined word “exodus” is close in meaning to________.
A.dramatic increase B.sudden arrival
C.leave in mass D.journey out of Egypt.
【3】What is the basic cause of the changes, according to the research?
A.Population fall. B.The weaken US dollar.
C.Transformed consumer behavior. D.Impact of the pandemic.
【4】What is the EIU’s attitude towards the future?
A.Optimistic. B.Pessimistic. C.Indifferent. D.Positive.
24、 Although in 1947 we were still very new to the atomic age, we knew about mushroom clouds. A huge crack spread across the library wall upstairs, sending teachers and students screaming down the hall.
Had a new world war started? Pale-faced, our young science teacher quickly organized us for a fire drill. We huddled in little groups on the beach side of the school grounds and watched the spreading cloud darken the bright spring sky.
Rumors flew every which way, although two hours would pass before we got the full story.One rumor we heard was that the Texas City Monsanto Chemical plant had blown up; children whose parents worked there began to weep.
I froze—that was where my father was working that day.
The school bell called us back inside, and we were dismissed to find our way home the best way we could. I-d walked a quarter of the three-mile trip to my home when a car horn startled me to attention. My Uncle Barney pulled up alongside me in his old Ford. The instant I saw him, I knew my father was gone. Otherwise, Papa would have come for me himself.
As if in slow motion from a great distance, Uncle Barney motioned for me to get in. Numb with grief, I crawled into the back seat. I barely took notice of the man sitting there, and didn’t recognize him until he reached for me. When Papa put his strong arms around me, I forgot for a moment that Cherokees(柴罗基人) aren’t supposed to cry.
Many of my fellow students lost their parents in the explosion. Tragedy would one day come to our family, as it inevitably comes to all, but on the day Texas City blew up, it miraculously passed us by. Because he lost his keys on that April morning, as he explained, my father lived for another 32 years-we were to have a second lifetime forever.
【1】 What happened according to the first three paragraphs?
A. A war broke out. B. An earthquake happened.
C. An atomic bomb exploded. D. A chemical factory blew up.
【2】 How did the science teacher react to the accident?
A. He was sad. B. He acted quickly.
C. He panicked. D. He felt helpless.
【3】Which of the following statements is TRUE?
A. The author-s father didn-t have to work that day.
B. The author-s father had a narrow escape.
C. The school was near where the accident happened.
D. The author-s uncle broke the news of her father-s death.
【4】The author cried because .
A. she was grateful that her father had survived
B. her father was killed in the accident
C. she was sad over the tragedy that day
D. her father didn’t meet her after school
【5】 What does the author intend to tell us?
A. Be prepared for the worst.
B. Be brave in disasters.
C. Cherish everything that you have.
D. Parents are the most important people.
25、Born on July 2, 1932 in Atlantic City, New Jersey, Dave Thomas never met his birth mother. Later on, Dave’s father who had remarried ________ to Fort Wayne, Indiana. There, Dave did several ________ such as a paperboy, golf caddy, and a counter in a drugstore. When he was 15, Dave was first ________ to the food and service industry through his first job. For some reasons, his family decided to move again. ________, Dave refused. He then dropped out of ________ in the 10th grade and worked full time.
During the ________ between the US and the DPRK, Dave ________ in the US Army as the manager of a men’s club. He found his former boss, Phil Clauss, who ________ some franchises(经销店) of the Kentucky Fried Chicken chain. Clauss offered Dave the opportunity to help ________ some of the failing franchises in Columbus, Ohio. After a few years, Dave succeeded and earned $1.5 million by ________ the franchises back to headquarters.
Dave, being ________ about food, found it hard to find a good burger in Columbus. This tiny ________ soon turned into a multi-million dollar business after he decided to ________ the first Wendy’s restaurant in 1969. Wendy’s caught a lot of ________ and popularity for their square burgers and ________ and abundant toppings(配料). Within a decade, Wendy’s turned into a thousand-store franchise.
After some business mistakes had ________ Wendy’s financial stability, Dave began visiting each franchise to ________ employees with his “mop-bucket attitude”, which proved to be a(n) ________ strategy. He soon became the television spokesman for the company and became very famous and ________. His charming personality drove a lot of Americans to ________ the Dave Thomas brand, and regard Wendy’s as one of the US’s most well-received fast food chains.
【1】
A.returned
B.hiked
C.moved
D.walked
【2】
A.advertisements
B.experiments
C.posters
D.jobs
【3】
A.addicted
B.exposed
C.appealed
D.replied
【4】
A.Furthermore
B.Otherwise
C.Therefore
D.However
【5】
A.dreams
B.school
C.college
D.languages
【6】
A.negotiation
B.cooperation
C.war
D.trade
【7】
A.served
B.participated
C.believed
D.absorbed
【8】
A.remembered
B.owned
C.respected
D.considered
【9】
A.account for
B.turn around
C.break off
D.subscribe to
【10】
A.distributing
B.sponsoring
C.sending
D.selling
【11】
A.enthusiastic
B.angry
C.careful
D.lazy
【12】
A.conflict
B.principle
C.share
D.regret
【13】
A.purchase
B.expand
C.open
D.arrange
【14】
A.attention
B.forgiveness
C.sense
D.consideration
【15】
A.various
B.similar
C.precious
D.complex
【16】
A.challenged
B.judged
C.damaged
D.conquered
【17】
A.appreciate
B.contradict
C.acknowledge
D.inspire
【18】
A.academic
B.effective
C.optional
D.contrary
【19】
A.successful
B.energetic
C.generous
D.selfless
【20】
A.maintain
B.explore
C.love
D.preserve
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3.简述做出该选择的理由
4.希望了解更多的信息
Dear Mr or Mrs,
I’ve learnt that ·
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Yours,
Li Hua