1 . Teen Dating（青少年约会）can be fun if you are aware of its pros and cons(优缺点) and are also aware of the ways to protect yourself. There are a couple of suggestions you would like to know before you are out for dating.
Do not go out for dating with somebody whom you have seen only a few times and does not know much about him or her.
Before leaving on a date, know the exact plans for the evening and make sure a parent or friend knows these plans and what time to expect you home. Let your date know that you are expected to call or tell that person when you get in.
Similarly, if you leave a party with someone you do not know well, make sure you tell another person you are leaving and with whom. Ask a friend to call and make sure you arrive home safely.
No matter how good the person appears to you, trust your inner instincts (直感). If a situation makes you uncomfortable, try to stay calm and think of a way to remove yourself from the situation without letting your date realize what is going on in your mind.
Be aware of your decreased ability to react under the influence of alcohol or drugs and keep yourself in control when out for a date.
Always stay firm, straightforward and clear in your relationships, thoughts, decisions and judgments. Never let a doubt come to your mind or face when out for dating. If you are firm and clear in your communication, your date will always be careful in dealing with you.
You should think ahead about ways to be safe if you are in a dangerous or potentially dangerous relationship. Adults, like parents, teachers, counselors, can be trusted in such cases.
1. Which of the following is forbidden（禁止）when dating according to the passage?| A．Going out for dating with a stranger. |
| B．Knowing the plan for the evening. |
| C．Telling your parents about the date. |
| D．Telling the person you date that your parents know about the date. |
| A．a time | B．a plan |
| C．a person | D．a place |
| A．leave as soon as possible | B．tell your date what you are thinking |
| C．stay calm | D．trust yourself |
| A．Be careful with your friends | B．Never go out dating |
| C．Safety measures for teen dating | D．Dating out is always dangerous |
2 . The structure of DNA plays an important role in medicine and biology. But you may not know that its founder is a female scientist and goes through a lot on her way to make scientific research. Rosalind Franklin was born in London, England on July 25, 1920. On April 16, 1958, at age 38, she died from cancer. Franklin was responsible for much of the research and discovery work that led to the understanding of the structure of DNA.
Franklin was interested in science and attended one of the few girls' schools in London that taught physics and chemistry. When she was 15, she decided to become a scientist. Her father was decidedly against higher education for women and wanted her to be a social worker. Franklin's aunt decided to support her and she agreed to pay for her full schooling. Within weeks, Franklin's aunt got her mother to support her going to college also. Months later, Franklin's aunt and mother got her father to agree with it. Franklin was very excited that she was going to college and did a good job in her study.
After her graduation from college, Franklin started her research on DNA. However, there were so many quarrels in her life because Franklin and her research partner did not get along. Franklin and her partner's arguments set them back on the study of DNA quite a bit. At the time they were working against another pair to find the story of DNA. Because of Franklin and her partner's fights, another pair found the structure of DNA first and won the Nobel Prize for it four years after Franklin died. Many scientists felt sorry for her early death and thought that the winners had stolen her research about DNA.
1. We can learn from the text that Franklin ________.| A．died in her early thirties | B．was a really lucky scientist |
| C．didn't get along with her father | D．achieved a lot in the study of DNA |
| A．Franklin's father agreed to pay for her college education |
| B．Franklin's aunt loved her than others |
| C．it was not easy for Franklin to go to college |
| D．it has been Franklin's dream to be a scientist since she was a child |
| A．Franklin's scientific research was not easy |
| B．Franklin first found the structure of DNA |
| C．Franklin's partner had no interest in DNA |
| D．Franklin had enjoyed a peaceful life |
| A．How DNA Was Found? | B．DNA and Good Education |
| C．The Life of a Woman Scientist | D．Should Girls Study or Not? |
3 . Taking an afternoon nap could keep your brain sharp, a new study has said. Adults ages 60 and older who took afternoon naps showed signs of better mental ability compared to those who didn’t nap, according to a study published in General Psychiatry earlier this week.
Researchers analyzed napping habits in 2, 214 older Chinese people and measured their cognitive abilities using several cognitive tests. Participants took the Mini-Mental State Examination and the Beijing version of the Montreal Cognitive Assessment, both of which test for memory, language and other cognitive abilities. In every category listed in the study, nappers tested statistically higher on average compared to their non-napping counterparts.
Researchers did not gather data from people under 60, so a correlation cannot be drawn between napping and younger generations. The study also noted that there are conflicting studies about the benefits and risks of napping.
Sleeping behaviors can be affected by a multitude of factors, said Dr. David Neubauer, associate professor at Johns Hopkins University. “Daily routines, medication use and sleep disorders can all play a role in how frequently someone takes a nap.” he said.
Neubauer recommended taking a shorter “power nap” of up to 20 minutes to decrease the chances of transitioning into slow-wave sleep, which makes people feel groggy when they wake up. “Napping can be a healthy part of an older adult’s day”, Neubauer acknowledged, but make sure “sleepiness isn’t due to a treatable nighttime sleep disorder.” Older individuals who want to do all they can to preserve their cognitive functioning should put nighttime sleep first.
1. What is the best way to keep a better cognitive ability for the old?| A．Take a nap every day. |
| B．Take sleep disorder seriously. |
| C．Have a good sleep at night. |
| D．Do exercise regularly. |
| A．By taking the examinations and assessment. |
| B．By analyzing napping habits and giving tests. |
| C．By measuring nappers’ ability and analyzing them. |
| D．By doing an experiment. |
| A．Taking a nap. |
| B．Medicine treatment |
| C．Sleep problems |
| D．Everyday activities. |
| A．It appears in short nap up to 20 minutes. |
| B．People should avoid it in their naps. |
| C．It is a healthy part of an elder’s day. |
| D．It was recommended by Neubauer. |
4 . Tears well up in people's eyes for a lot of reasons. A teardrop running down the cheek is the ultimate symbol of sadness, but people may also cry because they just cut an onion, or maybe they're trying to blink out an eyelash.
For the most part, tears help maintain healthy eyes. When you blink, basal (基底的) tears clean and smooth the eyes, which helps you to see clearly, according to the American Academy of Ophthalmology. Moreover, reflex (反射性的) tears, or those that happen unconsciously, help clear the eyes of irritants (刺激物), including dust and the gas that's produced when a knife slices a raw onion, said Andre Silva, a doctoral student of psychology at the University of Minho in Portugal.
Emotions can also bring about tears in humans. These emotional tears can serve as a means of nonverbal communication. Silva said, “Babies cry to signal to their mothers that something's up. It's a pure attention call. Some people think that babies are capable of controlling adults by crying, but that idea is false and misleading, as a baby is not conscious of being tricky: In a way, we can consider these tears as being somewhere between basal tears and emotional tears.”
As people grow older, they begin to use their tears to express emotions, such as happiness or sadness. These tears may promote compassion and empathy in others. But beware of people who may use their tears to control others. “Some sensitive people may be easily controlled through the crying of others, and may easily shed tears that can also be used by others to control them,” he said.
So, emotional tears have both advantages and disadvantages. “They are a powerful communication device and a powerful manipulative (操纵别人的) device,” Silva said. Crying also makes it hard for some people to mask their feelings when they're in the middle of an extreme emotional state.
1. What's the function of reflex tears?| A．Reflecting our feelings. |
| B．Being used to affect others. |
| C．Serving as a means of interaction. |
| D．Clearing away harmful matters in the eyes. |
| A．Tears are usually used to pity others. |
| B．Babies burst into tears without tricks. |
| C．People mask their feelings when crying. |
| D．Blinking out an eyelash makes it easy to cry. |
| A．We ought to identify tears. |
| B．We should control babies, crying. |
| C．We need to smooth our eyes by emotional tears. |
| D．We can hardly fan others' sympathy by tears. |
| A．Why do people cry? |
| B．Why can tears control others? |
| C．How do people express emotions? |
| D．How can people make use of tears? |
5 . American billionaire Elon Musk has demonstrated a technology designed to use a computer chip inside the head to control the brain. During a video demonstration on Friday, Musk provided details about the system, called Neuralink.
Musk says he hopes the technology can be used to treat neural disorders and help spinal injury victims regain body movement. Musk also believes the system could be used in the future to improve intelligence to help humans keep up with supercomputers and artificial intelligence (AI) technology.
During the show, Musk showed off a model of the Neuralink device. It is about 23 millimeters wide. It is designed to be implanted into a person's skull. Small wires would connect the device directly to the brain.
The Neuralink system is currently being tested in pigs, with plans to seek government approval for human testing sometime in the future.
A pig named Gertrude was also shown during the show. Musk explained that Gertrude had a Neuralink chip inside its head. The device is meant to record nerve activity in the pig's nose and mouth.
Musk said the company had three pigs, each with two chips. He described the animals as "healthy, happy and indistinguishable from a normal pig." Musk said the company was able to predict with "high accuracy" a pig's leg movement on a running machine using data from the chip.
Musk noted that Neuralink first wants to use the device on people with severe spinal cord injuries to help them talk and move using their brain waves. He said he is hopeful that, in the long term, those people could regain "full-body motion."
Some neuroscientists not linked to the company said the presentation suggested Neuralink had made great progress with the technology. However, they warned that many more studies will be needed to test the long-term success of such devices.
1. What good can the Neuralink device do to the disabled?| A．Making them think clearly. |
| B．Treating their diseases successfully. |
| C．Having them keep up with supercomputers. |
| D．Helping them to move again. |
| A．Normal. | B．Active. | C．Nervous. | D．Intelligent. |
| A．it has been a great success. |
| B．it will succeed very soon. |
| C．it has a long way to go. |
| D．It needs support from new theories. |
| A．There Will Be Great Progress in Brain Science. |
| B．Musk Shows Technology Linking Computer to Brain. |
| C．Three Pigs Are being Tested Instead of Human Beings. |
| D．The Disabled Will Receive Better Treatment in the future. |
