1、说明文 词数:238 限时:7分钟Carbon FootprintWhile making visits to national parks or forest preserves, youll often be told to leave nothing but footprints. 1 One is your physical footprint. The other is what is known as your carbon footprint. 2 Often people consider their carbon footprint to be the result of t
2、heir immediate use of fossil fuels and energy usage, like cooking with natural gas or using petrol to run their automobiles. 3 This may include the fossil fuel used to transport the food that you buy at your local grocery store, or the energy used to deal with the waste produced in your household. T
3、aking small steps to reduce your carbon footprint and saving energy is actually fairly simple. 4 It requires the burning of fossil fuels to make the bottle, transport it, and get rid of it if its not recycled. Compared with it, in house filtration(过滤) systems can reduce your influence and cost for w
4、ater. Unplugging appliances that are not frequently in use is another way to reduce your carbon footprint. Most of these items have a standby mode(待机模式) that wastes energy even when theyre not in use. 5 What is more, new energy efficient light bulbs, filters, and appliances could also help reduce yo
5、ur carbon footprint. In a word, less energy used means less greenhouse gas produced. With easy steps, you are on your way to reducing the size of the carbon footprint left behind. A.Cutting off power is the best way to ensure that unnecessary energy is not lost. B.For instance, the use of bottled wa
6、ter leaves a rather significant carbon footprint. C.What fossil fuels may lead to carbon footprints?D.However, wherever we go, we actually leave two sets of footprints. E.We often forget footprints sometimes consequently do harm to the environment. F.However, your carbon footprint consists of many a
7、ctivities that can be far less obvious. G.That refers to the level of greenhouse gases your lifestyle and activity produce and send out. Passage 2273 限时: something that youre doing doesnt challenge you, then it doesnt change you. We all need some normal stress in our lives, after all. 1 So challenge
8、 the following limits:1. Figure out what youre scared of and do it continuously. If youre a salesman, and youre scared of talking to people personally or over the phone, now, instead of being scared and thinking youll fail, spend at least five minutes a day to pick up the phone and make a call. 2 Bu
9、t dont stop on the first try! Eventually, you can look at fear in the eyes and say, “Go on, Im not scared!”2. 3 Make sure this hobby is not linked to your career; you have to relax and relieve your stress while performing this. Some examples might be cooking, sewing, painting and so on. Apart from h
10、elping you challenge yourself, taking a class for your hobby may also give you extra income. 3.Set aside at least nine minutes a day for physical exercise. 4 A simple 9-minute run around your neighborhood can do wonders for yourself. Exercise can not only help you maintain your regular weight, but a
11、lso make you feel better about yourself. 4.Travel and allow yourself to be interested in new people. Dont just limit yourself to your fellow travelerstry to connect with the service staff. You never know what kind of people theyre going to be. Get out of your house or go online right now to book you
12、r class. 5 A.You should do it continuously. B.Someone may hang up on you. C.You dont need to go to the gym. D.Running in the gym may be a better choice. E.Start to travel now and learn to challenge yourself. F.Take a class for a hobby you want to develop. G.You can never see any improvement if you s
13、tick to your comfort zone. Passage 3280 限时:8分钟A major source of teen stress is school exams, and test anxiety is not uncommon. When you recognize your teen is under stress, how can parents help your teen stay calm before an exam?Be involved. Parents need to be involved in their teens work. 1 What th
14、ey look for is your presenceto talk, to cry, or simply to sit with them quietly. Communicate openly with your teen. Encourage your teen to express her worries and fears, but dont let them focus on those fears. Help them get organized. 2 Together, you and your teen can work out a schedule in which sh
15、e can study for what she knows will be on the test. Provide a calm environment. Help your teen set up a quiet place to study and protect his privacy. Give them a nutritious diet. It is important for your teen to eat a healthy, balanced diet during exam times to focus and do her best. 3 If this happe
16、ns, encourage your teen to eat light meals or sandwiches. A healthy diet, rather than junk food, is best for reducing stress. 4 Persuade your teenager to get some sleep andor do something active when she needs a real break from studying. Making time for relaxation, fun, and exercise are all important in reducing str
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