Science labs are a place of great excitement and learning, but it is important to stay safe and alert at all times.
Know about all safety procedures.
Report all spills (溢出), injuries, or broken equipment to your teacher. Immediately after a spill or breakage occurs, it must be reported to your teacher. Never try to clean up a chemical spill without consulting your teacher first.
Dress for lab work. Do not wear bulky (笨重的) clothing as this will be difficult to manage and may come into contact with a flame or chemicals.
Know where to find safety equipment. Familiarize yourself with the location of any and all safety equipment which may be available, including the fire extinguisher (灭火器), first aid kit, and the eyewash station.
A.There are many dangers in a lab. |
B.Wear proper protective equipment. |
C.Listen carefully to your teacher at all times. |
D.Roll up your sleeves and keep long hair tied back. |
E.Listen to all instructions before beginning any experiments. |
F.If an emergency does occur, you must know the correct way to act. |
G.If you have access to an emergency shower, know where this is located. |
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【推荐1】It is important to have good study habits.
Study the most difficult subjects first. Doing this allows you to devote all of that fresh power to the materials that give you the most trouble.
Don't study in a room that is too hot or too cold, and make sure there is adequate lighting. Be aware of what things take your attention away the most and avoid them at all costs during study time. Don't do homework in front of the TV. Don't try to study if you are tired, depressed, angry, or feeling rushed.
Friends can be a great resource. You can compare notes and ask each other questions at the end of a period of study. Friends can also keep you motivated to study.
It has been proved that short bursts of concentration repeated frequently are more effective than one long period of concentration. Studying for hours on end is boring.
While studying, try to relate the information to things you already know or to your own experiences. Making that connection can make new information more interesting and memorable.
A.So you can save up more time. |
B.It is worthwhile spending more time on the harder subjects. |
C.It is better to study when your brain is not affected by other emotional issues. |
D.Make some changes in your study habits. |
E.Schedule some daily study time. |
F.And it stresses out your body and mind. |
G.With the proper study skills, you can significantly improve your grades. |
【推荐2】Do you ever feel like you read something over and over but you just can’t seem to remember it?
1. Set a goal.
Before you even start reading, it is important to set a goal. What do you hope you can learn by reading the material? What key points will you be required to know at a later date?
2.Do the following things.
First you need to notice the title above each section. That will tell you what the section is about.
3.Familiarize yourself with the material.
4.Review the material
After you have read and understood the material, review it a few times a day,
A.It can be very helpful to refer to extra material. |
B.It can be hard to read something and keep it in mind. |
C.It is easier to remember concepts when you rewrite them. |
D.Also, topic sentences are valuable sources of information. |
E.If everything is important, you wilt have to work a little harder. |
F.This will help you understand it better and remember the information. |
G.This doesn’t change the fact that it can still be very difficult to remember things. |
【推荐3】The Art of Conversing
In a world of 6. 5 billion opinionated people,arguments are sure to happen.
Argue well
What not to do
Nothing kills a healthy argument like a personal attack,and personal attacks are a big no-no if you want an argument to end positively. For example,while I was making a public speech,someone interrupted(打断) and then corrected me.
Don’t be afraid of the heat
It’s true that personal problems must be left at the door.
A.I later ended up in an argument. |
B.Many people see arguments as a bad part of life. |
C.Learning how to voice a different opinion works. |
D.Unpleasant arguments are just around the corner. |
E.But that doesn’t mean arguments won’t get heated. |
F.There certainly is such a thing as a “healthy argument”. |
G.By actively listening,many arguments can be avoided. |
【推荐1】E-bike, powered by an electric motor in addition to your pedaling, is growing faster than any other kind of bikes these days. Before you go on your next two-wheeled adventure, make sure you’re familiar with the ins and outs of bicycle safety.
Many of the safety recommendations are the same for both types of bikes.
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•
•Know the rules of the road. “When you’ re riding in the street, even in a protected bike lane, read the signals, pay attention to the lane markings, and check the signage to see where e-bikes are allowed,” Lovell says.
A.Be aware of your speed. |
B.Be sure your bike is ready to ride. |
C.Guarantee your bike is empowered to go further. |
D.Ride with the flow of traffic rather than against it. |
E.This will provide you with more practicality and more fun. |
F.Thirty-six states have adopted a classification system for e-bikes. |
G.This holds true whether you’re riding a traditional bike or an e-bike. |
【推荐2】Last week when I was reading at home, my younger sister rushed in and told me an old man was lying on the ground in front of our building. I immediately took my first-aid (急救) kit and ran downstairs. He was suffering a slight heart attack. And I performed CPR on him. Luckily, an ambulance came soon and he was taken to hospital. Later that day I was told by the hospital what I did helped rescue the old man’s life. I was happy to hear that.
You can gain the knowledge, skills and confidence to act in an emergency. You never know when you might need them — maybe at home, at work, at school or on holiday. If you have the skills, you can act whenever you’re needed.
You can stay safe at work.
It’s useful for your future career (事业). The first-hand experience you gain through learning first aid and using your skills could help you decide if you want to pursue (追求) a career in the healthy profession.
A.But at the same time I felt a bit sad. |
B.You can easily get a job in this profession. |
C.You can be a helper in your community. |
D.Illness and injury can happen anytime in the workplace. |
E.You can take first-aid courses (课程) in your community for free. |
F.It’s necessary for everyone to learn some basic first-aid techniques. |
G.It also shows your commitment to the career in the health profession. |
【推荐3】IT’S IMPORTANT TO KEEP your kit accessible because you never know when you’ll need it. In fact, statistics indicate that more medically reported injuries happen at home than in public places, at the work place and on the road combined. To ensure you are adequately prepared for any emergency, here are the essential basics.
● Buy the Right Container
Your first-aid items should be kept in a waterproof bag or an airtight container with clear sections that allow you to quickly see what’s inside.
●
It’s essential to regularly review and refill your first-aid kit contents to ensure that it is adequately stocked and all supplies are in good condition. Check the expiration(过期) dates of all medications and promptly replace any that have expired.
● Get Some Training
There’s no better way to prepare yourself for emergencies than by taking a course.
● Know When to Get Help
A.Check Expiration Dates |
B.Keep Your Kit Up-to-Date |
C.Any cut longer than 1 inch will need stitches. |
D.Consider engaging in practical training for better emergency skills. |
E.Organizations like the RedCross offer weekend basic first aid certifications. |
F.Also, make sure that you have enough supplies for any potential emergencies. |
G.That way you won’t have to dig around or dump things out of the kit to find what you need. |