1 . The Bermuda Triangle is an area in the western part of the North Atlantic Ocean, near Florida in the USA, where a number of aircraft and ships are said to have disappeared mysteriously.

①The earliest suggestion of unusual disappearances in the Bermuda area appeared in a September 17, 1950 article. Two years later, published “Sea Mystery at Our Back Door”, covering the loss of several planes and ships, including the loss of Flight 19. Flight 19 alone would be covered again in the April 1962 issue of American Legion magazine. In it, author Allan W. Eckert wrote that the flight leader had been heard saying, “We are entering white water. Nothing seems right. We don’t know where we are.” In the February 1964, the article “The Deadly Bermuda Triangle” argued that Flight 19 and other disappearances were just part of strange events in the area.

②Triangle writers have used a number of supernatural ideas to explain the events. One explanation refers to leftover technology from the mysterious lost continent of Atlantis. Some of the Triangle writers related the events to UFOs. This idea was used by Steven Spielberg for his science fiction film Close Encounters of the Third Kind, in which the lost Flight 19 aircrews were taken by aliens.

③But there are also some explanation relating to nature. For example, laboratory experiments carried out in Australia have proven that bubbles containing natural gas can sink a large ship by decreasing the density(密度) of the water. Because it has been assumed that the eruption of volcanoes(火山)may produce much natural gas, making large areas of bubbles under sea so that water is no longer able to provide enough supporting power for ships. If this were the case, such an area forming around a ship could cause it to sink very rapidly and without any warning.

④Violent weather is likely to be another reason. Powerful storms forming in tropical(热带的)waters have caused thousands of deaths and caused billions of dollars in damage. These storms have in the past caused a number of incidents related to the Triangle.

1. According to the passage, the loss of Flight 19 was first covered         .

A．in 1950	B．in 1952
C．in 1962	D．in 1964

2. The sentence “Persons accepting the Bermuda Triangle as a ‘Death Triangle’ have offered a number of ways to explain it.” should be put in          .

A．①	B．②
C．③	D．④

3. According to paragraph 4, which one is NOT the reason for the disappearance of ships?

A．the natural gas	B．large areas of bubbles
C．the eruption of volcanoes	D．the increase of water density

4. What is the passage mainly about?

A．The truth behind the disappearance in the Bermuda Triangle.

B．The puzzle of the Bermuda Triangle and its explanations.

C．Strange accidents that happened in the Bermuda Triangle.

D．The exploration of the Bermuda Triangle in history.

2 . On Thursday morning, two teenage boys were rescued by a drone (无人机) in Australia while lifeguards were still training to use the machine.

The ______, aged 15-17, got into difficulties about 700 feet off the coast of Lennox Head, New South Wales (NSW). A passerby saw them ______ in dangerous waves. Lifesavers ______ sent the drone to drop a lifeboat, and the pair made their way safely to the ______.

The drone, known as “Little Pipper”, was actually not ______ to be saving anyone just yet---lifeguards were being trained to ______ the machine. When a call came about the swimmers ______, the drone happened to be nearby.

Jai Sheridan was the lifeguard who ______ the drone. He described the experience as ______. “The Little Ripper ______ proved itself today. It is a highly efficient (高效的) piece of lifesaving equipment. I was ______ the drone when the alarm was raised. I directed it towards the swimmers, and dropped the ______. With its support they made their way to safety. They were ______, but not hurt. The teens were rescued in just 70 seconds with the drone---while a lifeguard would have taken up to six minutes to ______ the rescue.”

John Barilaro, an official of the state, ______ the rescue as historic. “It was the world’s ______ rescue by the unmanned aircraft”, he said. “Never before has a drone been used to ______ swimmers like this.”

Last December, the NSW state government ______ some “Little Ripper” drones for 247,000 pounds. ______ some are designed to spot sharks, others are ______ with lifeboats, alarms and loudspeakers. “It was money well spent,” said John Barilaro.

1.

A．swimmers

B．pilots

C．visitors

D．rescuers

2.

A．playing

B．surfing

C．struggling

D．training

3.

A．finally

B．secretly

C．immediately

D．gratefully

4.

A．island

B．ship

C．hospital

D．shore

5.

A．advised

B．supposed

C．allowed

D．guided

6.

A．operate

B．repair

C．work

D．power

7.

A．in charge

B．in place

C．in action

D．in trouble

8.

A．flew

B．brought

C．checked

D．designed

9.

A．funny

B．useful

C．amazing

D．important

10.

A．necessarily

B．basically

C．probably

D．certainly

11.

A．studying

B．piloting

C．boarding

D．inspecting

12.

A．lifebelt

B．lifeline

C．lifeguard

D．lifeboat

13.

A．sick

B．tired

C．excited

D．surprised

14.

A．record

B．complete

C．experience

D．report

15.

A．thanked

B．greeted

C．imagined

D．praised

16.

A．latest

B．best

C．first

D．quickest

17.

A．rescue

B．warn

C．protect

D．reward

18.

A．offered

B．bought

C．booked

D．made

19.

A．Since

B．Unless

C．While

D．Before

20.

A．equipped

B．connected

C．covered

D．filled

3 . 听下面一段较长对话，回答以下小题。
1. What happened to the woman?

A．She was badly injured.

B．She couldn’t find her dogs.

C．She lost her way in the forest.

2. Who found the woman?

A．Her best friend.

B．Her husband.

C．A hiker.

4 . An Uber self-driving car hit and killed a woman crossing the street in Arizona, U.S., police said on Monday, marking the first death caused by an autonomous vehicle and a potential blow to the technology expected to transform transportation.

The ride services company said it was delaying North American tests of its self-driving vehicles, which are currently going on in Arizona, Pittsburgh and Toronto.

So-called robot cars, when fully developed by companies including Uber, are expected to thoroughly cut down on motor vehicle deaths and create billion-dollar businesses. But Monday's accident highlighted (凸显) the possible challenges ahead for the promising technology as the cars face real-world situations involving real people.

"This catastrophic accident highlights why we need to be exceptionally cautious when testing and applying autonomous vehicle technologies to public roads," said Edward Markey, a member of the transportation committee, in a statement. "Elaine Herzberg, 49, was walking her bicycle outside the crosswalk on a four-lane road in the Phoenix suburb of Tempe at about 10 p.m. MST Sunday when she was struck by the Uber vehicle traveling at about 65 kilometers per hour," police said. The car was in autonomous mode with an operator behind the wheel. U.S. federal safety officials were sending teams to investigate the crash. Canada's transportation ministry in Ontario, where Uber conducts are being tested, also said it was reviewing the accident.

"Uber and Waymo on Friday urged Congress to pass a law to speed the introduction of self-driving cars into the united states. However, some congressional (国会) representatives have blocked the legislation over safety concerns, and Monday's death could hamper passage of the bill, "congressional assistants said Monday.

1. According to the passage, which is the effect of the accident of the woman's being killed?

A．People will be cautious while crossing a road.

B．The woman's family will obtain a billion dollars.

C．The process of transforming transportation will be affected.

D．Self-driving vehicles will cut down on motor vehicles deaths.

2. The underlined word "hamper" in Paragraph 6 most probably mean _______.

A．make	B．prevent
C．start	D．accelerate

3. We can infer from the passage that ________.

A．Less than three places are doing tests of its self-driving vehicles now

B．The officials of the transportation ministry in Ontario were lookig into the crash

C．Elaine Herzberg was biking when she was hit by a self-driving car

D．We can't be too careful when introducing autonomous vehicle technologies to public roads

4. What is the author's purpose in writing the text?

A．To arouse the public concerns over a self-driving safety.

B．To remind car producers to be more careful when testing vehicles technology.

C．To advise the Congress to pass a law to speed self-driving cars test in the US.

D．To urge the US federal safety regulators to take measures to look into the accident.

5 . The mama﹣bear instinct

Ms． Angela McQueen， a math and PE teacher at Mattoon High School， Illinois， has a routine when she's on lunch﹣monitoring duty． She    1     （keep） an eye on the hundreds of students in her charge by walking laps（圈） around the school cafeteria．

In September 2017， McQueen， then   40， had hardly finished one lap    2       a 14﹣year﹣old freshman standing not far from her pulled out a gun． She knew too well that he was going to start shooting．

School employees    3    （train）on how to handle active shooters：Attack their ability    4     （aim）． So with the shooter's finger on the trigger， McQueen rushed to him．    5    （grab） at his arm， she forced the gun into the air， but not    6     he struck one student in the hand and chest and hurt another． As students ran for the exits， McQueen defeated the shooter with help from the school resource officer，    7     disarmed   the student and took him into imprisonment until police arrived minutes later． Afterward， McQueen went outside to give hugs and support to her shaken students．

"It's the mama﹣bear instinct，" she told the local paper． "I don't have kids of my own， but these are still‘    8    ' kids．"

    9     McQueen， a story that has played out tragically at far too many schools across the country had a relatively happy ending． "If it hadn't been for her， the situation would have been a lot different，" Police Chief Jeff Branson said at a news conference．

As one    10     （impress） student told CBS News， "Mr． McQueen is our heroine．"

6 . A great number of people can get injured or even killed resulting from a human stampede (踩踏).The bad thing is that a peaceful group of people can quickly become concerned and panicked(恐慌).     1    . If you are in a crowd, the most important thing is to make yourself familiar with your surroundings and mentally notice the exits. No matter where you are, make sure you always know how to get out.     2    . If you are in a crowd of moving people, wet ground can be slippery or dangerous, causing you to fall.

Be aware of the general atmosphere of the event, as panic situations can often be expected. When in danger, a few seconds can make all the difference. If you find yourself in the middle of a moving crowd, do not fight against the pressure, do not stand still or sit down.     3    . Take advantage of any space that may open up and try to move sideways to the crowd movement where the flow is weaker.

    4    .—It gives you movement and protects your chest.

If you fall, get up quickly. If you fall and cannot get up, keep moving by crawling in the same direction of the crowd, or if that is not possible, then cover your head with your arms and curl (蜷缩) up.     5    . Sometimes, finding a right posture(姿势) can save your life.

A．Make yourself know the type of ground you are standing on

B．Do not lie on your stomach or back, as this dangerously leaves your lungs unprotected

C．If you are stepped on, you should shout for help

D．Instead, move in the same direction of the crowd

E．Keep your hands up by your chest, like a boxer

F．What’s worse is that the stampede can be caused while there seems no actual danger

G．Raise your arms to the full length

7 . Why did the woman have to change the way?

A．She lost the way.

B．An accident just happened.

C．Something was wrong with her car.

8 . Frank was walking down the 6th Street on a hot sunny day when he saw smoke coming out of the street. He could _____ the smoke, and it was getting_____. Seeing the smoke coming out of a storm drain(雨水沟), Frank called the fire department _________. “The storm drain is _____ fire!” he said. The fire department asked for his whereabouts and he said he was near the 6th street. They said they would be right there to investigate the situation. Frank needn't to go anywhere, so he waited for the _____ to arrive. He was curious what could be burning beneath the street. As far as he knew, there wasn't anything beneath the street _____ concrete(混凝土). And everyone knows that concrete doesn't _____.

A fire truck arrived a few ____ later. “Are you the man who _____?” asked the driver. “Yes.” Frank answered. By now Frank could not only smell the _____ but also hear crackling sounds, just like wood burning. The firemen didn't seem to______ it an emergency. “What do you think it could be?” Frank asked the driver. “Oh, we know what it is. We have to ______ a problem like this every few months. It's the homeless people in their ‘______’.”

Homeless people have been living under the streets for years._____ their knowledge of the storm drain system, they ______ their own “houses” beneath the streets. These living areas have tables, mattresses, chairs, and sofas. The settlers often “borrow” electricity by connecting to a live wire above ground to ______ their own lights and even TVs underground. Either this ______ electricity or a cigarette can cause an occasional fire.

Frank watched ______   some firemen lifted a manhole cover (井盖) and went beneath the street with a fire hose (消防软管). Then a few minutes later, the ______ smoke turned white. Shortly afterward, the firemen reappeared with a ______ person who seemed to have just been woken up.

1.

A．touch

B．hear

C．smell

D．taste

2.

A．thicker

B．thinner

C．colder

D．warmer

3.

A．slowly

B．immediately

C．hardly

D．nearly

4.

A．in

B．at

C．to

D．on

5.

A．policeman

B．firemen

C．postmen

D．powermen

6.

A．in spite of

B．regardless of

C．besides

D．except

7.

A．crack

B．burn

C．burst

D．shake

8.

A．seconds

B．hours

C．minutes

D．quarters

9.

A．called

B．smelt

C．investigated

D．saw

10.

A．fire

B．smoke

C．storm

D．sound

11.

A．consider

B．make

C．bring

D．take

12.

A．suffer

B．solve

C．survive

D．survey

13.

A．flats

B．apartments

C．houses

D．sections

14.

A．Learning

B．Taking

C．Using

D．Giving

15.

A．set down

B．set aside

C．set about

D．set up

16.

A．power

B．shape

C．force

D．heat

17.

A．bought

B．brought

C．booked

D．borrowed

18.

A．for

B．as

C．whether

D．since

19.

A．black

B．red

C．blue

D．brown

20.

A．careless

B．selfless

C．helpless

D．homeless

9 . What part of the women’s body was broken?

A．Her arms.

B．Her neck.

C．Her leg.

10 . Youth football team members rescued more than two weeks after sudden flooding trapped them in a cave in Thailand are now being well looked after at a hospital in the northern city of Chiang Rai. In addition to treating the boys for potential body fluid loss, inadequate nutrition and lack of oxygen, their doctors also plan to closely monitor them for symptoms of diseases that may have been infected by animals living in the cave.

“The next step is to make sure those kids and their families are safe, because living in a cave provides a different environment, which might contain animals that could transmit…disease,” said the local hospital. The boys and their family members have been told to watch for symptoms such as headache, nausea(反胃), muscle pain or difficulty breathing, the reports added.

Yet based on the location where the boys were trapped—more than four kilometers from the cave complex’s main entrance, past some fully submerged passages—and the fact they have been swimming out wearing full scuba face masks, it seems unlikely that they were living with bats in the cave or breathed in bat-associated bacteria during their rescue, several infectious disease experts said. “It’s hard to imagine bats got that deep into the cave because of all those narrow passageways, but it is possible,” says Ian Lipkin, an animal expert and professor at the Mailman School of Public Health at Columbia University. “It’s unlikely that there would be many animals in there,” notes Jonathan Epstein, a doctor at EcoHealth Alliance, a nonprofit organization that studies diseases and how to prevent them. Bats typically like to rest in areas they can easily enter and exit, not in places that fully flood, he adds.

Bats in Thailand have been linked with a wide range of viruses that are similar to severe acute respiratory syndrome (SARS)—Lipkin says. But it seems more likely the boys would have been exposed to infection-causing bacteria when they swam through the dirty water with cuts and scrapes. “If you are trying to prioritize issues with respect to health care for these kids, number one would be psychological damage and second will be bacterial infections from the cuts and scrapes they may have encountered.” Lipkin says.

1. According to the passage, which of the following is NOT the potential symptom of the rescued team members?

A．Lacking body water.	B．Unbalanced nutrition.
C．Adequate oxygen.	D．Pain in the head and muscles.

2. The underlined word “submerged” in paragraph 3 means ________.

A．bat-associated	B．wild and dangerous
C．with animals	D．under the water

3. Which is true about the caves and the trapped people?

A．Lipkin said the victims might be infected when their body were exposed to bacterial water during the rescue.

B．Lipkin argued bats were not able to get deep into the narrow cave where the kids were trapped.

C．Jonathan Epstein thought it possible for the team members to be attacked by bats in the fully-flooded cave.

D．Lipkin believed the most important issue for the cave-trapped teenagers was infectious bacteria examination.

4. What is the text type of the passage?

A．An academic essay about bats.	B．A medical magazine.
C．A newspaper article.	D．A Thai website about sports.