1 . I was diagnosed with Type 1 diabetes(糖尿病) in 2017. And then I was told that I couldn’t
Driving was a
I found it really
I couldn’t
A.walk | B.speak | C.drive | D.ride |
A.settled | B.increased | C.worsened | D.changed |
A.task | B.concern | C.habit | D.relief |
A.report | B.bill | C.picture | D.medicine |
A.witness | B.burden | C.mistake | D.success |
A.hard | B.convenient | C.safe | D.funny |
A.worrying | B.trouble | C.amazing | D.fine |
A.Thus | B.Meanwhile | C.However | D.Instead |
A.record | B.describe | C.examine | D.manage |
A.hospital | B.school | C.office | D.factory |
A.assist | B.interview | C.know | D.study |
A.symptoms | B.problems | C.dreams | D.experiments |
A.disease | B.status | C.law | D.discussion |
A.explain | B.return | C.suggest | D.repeat |
A.relied on | B.resulted in | C.stuck to | D.took the place of |
A.forget | B.regret | C.believe | D.remember |
A.unafraid | B.unfair | C.unsure | D.unhealthy |
A.blood | B.money | C.evidence | D.help |
A.predicted | B.wondered | C.confirmed | D.imagined |
A.cancelled | B.used | C.borrowed | D.copied |
2 . A robot created by Washington State University (WSU) scientists could help elderly people with dementia (痴呆) and other limitations live independently in their own homes.
The Robot Activity Support System, or RAS, uses sensors installed in a WSU smart home to determine where its residents are, what they are doing and when they need assistance with daily activities. It navigates (定位) through rooms and around obstacles to find people on its own, provides video instructions on how to do simple tasks and can even lead its owner to objects like their medication or a snack in the kitchen.
“RAS combines the convenience of a mobile robot with the activity detection technology of a WSU smart home to provide assistance in the moment, as the need for help is detected,” said Bryan Minor, a postdoctoral researcher in the WSU School of Electrical Engineering and Computer Science.
Currently, an estimated 50 percent of adults over the age of 85 need assistance with every day activities such as preparing meals and taking medication and the annual cost for this assistance in the US is nearly $2 trillion. With the number of adults over 85 expected to triple by 2050, researchers hope that technologies like RAS and the WSU smart home will relieve some of the financial strain on the healthcare system by making it easier for older adults to live alone.
RAS is the first robot researchers have tried to incorporate into their smart home environment. They recently published a study in the journal Cognitive Systems Research that demonstrates how RAS could make life easier for older adults struggling to live independently.
“While we are still in an early stage of development, our initial results with RAS have been promising,” Minor said. “The next step in the research will be to test RAS’ performance with a group of older adults to get a better idea of what prompts, video reminders and other preferences they have regarding the robot.”
1. How does RAS serve elderly people?A.Through sensors. | B.Through objects. |
C.Through a mobile robot. | D.Through their daily activities. |
A.It is the first robot used in daily life. | B.Its function remains to be tested. |
C.It can locate people and do any task. | D.It can cook for owners on its own. |
A.Doubtful. | B.Negative. |
C.Optimistic. | D.Uncertain. |
A.Elderly people leave the nursing home. |
B.Smart Home Tests first elder-Care robot. |
C.RAS, the first robot to make home smart. |
D.Older adults have benefited from RAS. |
3 . Google previously announced successful tests of machine learning systems designed to assist doctors. In one case, Google reported AI had examined eye diseases with equal accuracy to doctors. Other tests showed that machine learning can be used to study large amounts of patient data to predict future medical events.
Now the company has published two new studies showing a high level of success in identifying metastatic breast cancer. Metastatic means that cancer has spread from its main area to other parts of the body. Metastatic breast cancer is one of the deadliest, causing about 90 percent of all breast cancer deaths worldwide.
In metastatic breast cancer patients, the cancer often travels to nearby lymph nodes(淋巴结). Usually doctors examine lymph node tissue under a microscope to see whether cancer is present. Google notes that previous studies have shown that up to one-fourth of metastatic lymph node classifications end up being changed after a second examination. In addition, studies show that small metastatic material can be missed up to 67 percent of the time when examinations happen under extreme time restrictions.
Google says it created a mathematical algorithm(算法). The algorithm, called Lymph Node Assistant, is trained to find characteristics of tissue affected by metastatic cancer. When the system examined tissue images(图像), it was able to differentiate between metastatic cancer and non-cancer 99 percent of the time. In addition, the Lymph Node Assistant is highly effective at finding the positions of the cancers. Some of these positions would be too small for doctors themselves to identify. The research also showed that the algorithm method can reduce the usual time needed to examine the disease by about 50 percent.
But Google makes clear the AI-based system is not meant to replace the work of medical professionals. Instead, it is designed to reduce the number of false identifications and help doctors work faster and more effectively.
1. What is the main idea of Paragraph 1?A.Google became a pioneer in training doctors. |
B.Machine learning is able to stop future medical events. |
C.Google developed artificial intelligence to help doctors. |
D.Artificial intelligence cured eye diseases with equal accuracy to doctors. |
A.One-fourth of the metastatic breast cancer patients die in the end. |
B.Metastatic breast cancer is very difficult to identify. |
C.It results in 90 percent of deaths of all cancers. |
D.It can be identified after a second examination. |
A.It can offer effective treatment. |
B.It can tell the exact positions of cancers |
C.It costs 99 percent less time than before. |
D.It improves the accuracy of identifying cancers by 50%. |
A.False identification of cancers will be avoided. |
B.More effective prevention of cancers will be found. |
C.The number of medical professionals will be reduced. |
D.Doctors can have a faster understanding of patients’ condition. |
4 . Don't get mad the next time you catch your teenager texting when he promised to be studying. He simply may not be able to resist. A University of lowa(UI) study found teenagers are far more sensitive than adults to the immediate effect or reward of their behaviors. The findings may help explain why the initial rush of texting may be more attractive for adolescents than the long-term pay off of studying.
"For the teenager, 'the rewards are attractive." says Professor Jatin Vaidya,an author of the study. "They draw adolescent. Sometimes, the rewards are a kind of motivation for them. Even when a behavior is no longer in a teenager's best interest to continue, they will, because the effect of the reward is still there and lasts much longer in adolescents than in adults ."
For parents,that means limiting distraction (分心的事情)so teenagers can make better choices. Take the homework and social media dilemma: At 9 p.m., shut off everything except a computer that has no access to Facehook or Twitter, the researchers advise. "I'm not saying they shouldn't be allowed access to technology," Vaidya says. But some help in netting their concentration is necessary for them so they can develop those impulse-control skills.”
In their study,Vaidya and co-author Shaun Vecera note researchers generally believe teenagers are impulsive(冲动的),make bad decisions,and engage in risky behavior because the frontal lobes(额叶)of their trains are not fully developed. But the UI researchers wondered. whether something more fundamental was going on with adolescents to cause behaviors independent of higher-level reasoning.
"We wanted to try to understand the brain's reward system how it change from chillhood to adulthood," Says Vaidya, who adds the reward character in the human brain is easier than decision-making. “We've been trying to understand the reward process in adolescence and whether there is more to adolescence behavior than an under-developed frontal lobe,”he adds.For their study ,the researchers persuaded 40 adolescents, aged 13 and 16,and 40 adults, aged 20 and 35 to participate.
In the future,researchers hope to look into the psychological and neurological(神经学上的)aspects of their results.
1. What does the passage mainly tell us?A.The initial rush of texting is less attractive for adolescents than the long-term pay off of studying. |
B.Always, rewards are attractive to teenagers. |
C.Resistance can be controlled well by adolescents. |
D.Getting rewards is the greatest motivation for adolescents to study. |
A.The influence of the reward is weak in adolescents. |
B.Parents should help children in making decisions. |
C.Children should have access to the Internet. |
D.Children need help in refocusing their attention. |
A.Doing things after some thought. |
B.Making good decisions. |
C.Joining in dangerous actions. |
D.Escaping risky behavior. |
A.By making a comparison of brain examinations. |
B.By examining adults’ brain. |
C.By examining teenage brain. |
D.By building the train’s reward system. |
Up to 82 percent of children with healthy mothers are not easy to be obese(肥胖的), according to research. A mother,
And research suggests it could be more to do with nurture(养育)
The study examined the medical history and lifestyles of more than 24,000 children aged nine
The mother's health was judged on her height-to-weight ratio(比例), her diet, amount of physical
6 . I found out one time that doing a favor for someone could get you into a lot of trouble. I was in the eighth grade at the time, and we were having a final test. During the test, the girl sitting next to me whispered something, but I didn’t: understand. So I leaned over her way and found out that she was trying to ask me if I had an extra pen. She showed me that: hers was out of ink and would not write. I happened to have an extra one, so I took it out of my pocket and put it on her desk.
Later, after the test papers had been turned in, the teacher asked me to stay in the room when all the other students were dismissed(解散). As soon as we were alone she began to talk to me about what it meant to grow up;she talked about how important it was to stand on your own two feet and be responsible (负责任) for your own acts. For a long time, she talked about honesty and emphasized(强调) the fact that when people do something dishonest, they are really cheating(欺骗) themselves. She made me promise that I would think seriously(认真地) about all the things she had said, and then she told me I could leave. I walked out of the room wondering why she had chosen to talk to me about all those things.
Later on, I found out that she thought I had cheated on the test. When she saw me lean over to talk to the girl next to me, it looked as if I was copying answers from the girl’s test paper. I tried to explain about the pen, but all she could say was it seemed very strange to her that I hadn’t talked of anything about the pen the day she talked to me right after the test. Even if I tried to explain that I was just doing the girl a favor by letting her use my pen, I am sure she continued(继续) to believe that I had cheated on the test.
1. The story took place(发生) exactly ________.A.in the teacher’s office |
B.in an exam room |
C.in the school |
D.in the language lab |
A.she had not brought a pen with her |
B.she had lost her own on her way to school |
C.there was something wrong with her own |
D.her own had been taken away by someone |
A.to go on writing his paper |
B.to stop whispering |
C.to leave the room immediately |
D.to stay behind after the exam |
A.honesty | B.sense of duty |
C.seriousness | D.all of the above |
A.the moment he was asked to stay behind |
B.when the teacher started talking about honesty |
C.only some time later |
D.when he was walking out of the room |