Do you often feel tired in the morning even though you’ve been in bed for seven or eight hours the night before. Like many people, you are not sleeping as much as you think you are.
Sleep experts
Short-wavelength blue light
Go to bed and wake up at the same time, or
Most people may feel
A.By contrast | B.In other words | C.In conclusion | D.On the contrary |
A.treat | B.serve | C.work | D.define |
A.specific | B.effective | C.general | D.precious |
A.quantity | B.absence | C.quality | D.advance |
A.undertaking | B.restricting | C.performing | D.referring |
A.given off | B.given away | C.given in | D.given over |
A.sleepy | B.unconscious | C.exhausted | D.alert |
A.early | B.late | C.daytime | D.bright |
A.various | B.distinct | C.habitual | D.changeable |
A.relatively | B.exactly | C.gradually | D.respectively |
A.adopts | B.adapts | C.devotes | D.dedicates |
A.commanding | B.requiring | C.reminding | D.causing |
A.relaxed | B.sleepy | C.clear | D.weak |
A.depressive | B.accurate | C.desperate | D.attentive |
A.see to | B.break through | C.take to | D.get through |
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Travelers have traditionally fought this
For example, the moment you get on the airplane, start
A.flight | B.change | C.demand | D.climate |
A.suffering from | B.working on | C.looking into | D.leading to |
A.danger | B.problem | C.waste | D.fear |
A.briefly | B.slowly | C.suddenly | D.effectively |
A.checking | B.sending | C.adjusting | D.stopping |
A.awake | B.alone | C.hungry | D.calm |
A.though | B.so | C.while | D.or |
A.understanding | B.cycle | C.research | D.trend |
【推荐2】Critical thinkers start by asking questions about whatever is in front of them. They consider
Once you have asked every question you can come up with about a matter,
You’ve got
Try to be as aware as possible of those
Critical thinkers are more interested in solutions than in placing
A.cause and effect | B.ups and downs | C.gains and losses | D.back and forth |
A.frequency | B.consequence | C.reason | D.border |
A.analyze | B.stress | C.prioritize | D.seek |
A.Assume | B.Advocate | C.Investigate | D.Initiate |
A.Interact | B.Interview | C.Accuse | D.Spare |
A.proof | B.evidence | C.argument | D.information |
A.a pile of | B.a piece of | C.a flock of | D.a command of |
A.demanding | B.imposing | C.challenging | D.appealing |
A.bubbles | B.filters | C.prejudice | D.hatred |
A.objective | B.respective | C.informative | D.confident |
A.perfectly | B.curiously | C.subconsciously | D.purely |
A.emphasis | B.value | C.importance | D.blame |
A.pursue | B.suspect | C.implement | D.confirm |
A.carefully | B.critically | C.cautiously | D.crucially |
A.present | B.represent | C.review | D.comprehend |
【推荐3】There is something unpleasant happening all over the world every day and maybe you’ve seen news reports about people who need help after a natural
So what can you do
Volunteering gives you a(n)
Volunteering isn’t like school:
If you like animals,help out at a local animal
If you have a friend or a relative who has or had a(n)
If you like
And if you have more than one thing you
A.disaster | B.track | C.business | D.event |
A.Or | B.So | C.Yet | D.But |
A.alone | B.lonely | C.willing | D.reliable |
A.for | B.of | C.about | D.from |
A.outline | B.shortcoming | C.judge | D.chance |
A.beg | B.require | C.hope | D.agree |
A.reward | B.determine | C.learn | D.graduate |
A.Besides | B.Except | C.Instead of | D.In case of |
A.tips | B.subjects | C.phrases | D.stages |
A.interests | B.upsets | C.shocks | D.congratulates |
A.park | B.garden | C.shelter | D.mine |
A.happy | B.kind | C.sad | D.cruel |
A.mental | B.physical | C.ugly | D.selfish |
A.take | B.spend | C.devote | D.save |
A.prefers | B.wastes | C.organises | D.raises |
A.swaps | B.packs | C.commands | D.offers |
A.animals | B.toys | C.languages | D.children |
A.He | B.She | C.You | D.They |
A.ignore | B.like | C.recognize | D.hate |
A.patients | B.nurses | C.doctors | D.soldiers |
【推荐1】What is sleep, and why do we need it?
When we sleep, we enter a specific state that lies somewhere between consciousness (清醒状态) and unconsciousness. During sleep, the body is at rest, but the brain remains highly
Although many of the functions of sleep remain
A.unstable | B.stressed | C.active | D.delicate |
A.observed | B.accepted | C.worked | D.performed |
A.experimenting | B.expecting | C.spreading | D.preserving |
A.relaxation | B.sleep | C.research | D.recreation |
A.testing | B.controlling | C.dulling | D.boosting |
A.processes | B.damages | C.assumptions | D.performances |
A.decreased | B.underestimated | C.improved | D.injured |
A.unchanged | B.unknown | C.uncompleted | D.undocumented |
A.essential | B.ridiculous | C.typical | D.extra |
A.quickly | B.casually | C.impatiently | D.seriously |
A.changes | B.uncovers | C.affects | D.creates |
A.dream | B.intelligence | C.health | D.family |
A.Apart from | B.Thanks to | C.Rather than | D.As with |
A.ignoring | B.understanding | C.promoting | D.stressing |
A.get used to | B.get down to | C.take advantage of | D.let go of |
【推荐2】Jennifer, teenage girl, fainted(晕倒) yesterday at Stonechester High School after skipping meals(不吃饭) .Jennifer told friends in her class that she was feeling
Jennifer was
Jennifer's
Jennifer's case is a reminder of the
A.ill | B.well | C.sad | D.angry |
A.school | B.hospital | C.home | D.class |
A.registered | B.identified | C.treated | D.recognized |
A.amazed | B.confused | C.excited | D.worried |
A.missed | B.preferred | C.recommended | D.delivered |
A.Possibly | B.Fortunately | C.Hardly | D.Gradually |
A.sense | B.difference | C.recovery | D.use |
A.parents | B.teachers | C.classmates | D.doctors |
A.cheated | B.exchanged | C.protested | D.struggled |
A.meals | B.classes | C.steps | D.details |
A.watch | B.lose | C.gain | D.quit |
A.prevented | B.affected | C.warned | D.requested |
A.couldn’t | B.shouldn’t | C.needn’t | D.wouldn’t |
A.tips | B.ways | C.dangers | D.advantages |
A.cool | B.thin | C.fat | D.unhealthy |
A.turn to | B.refer to | C.make up | D.apply for |
A.efforts | B.lifestyles | C.worries | D.risks |
A.specific | B.difficult | C.obvious | D.important |
A.already | B.even | C.also | D.still |
A.business | B.contact | C.shape | D.trouble |
【推荐3】A new study has found evidence of aggressive behavior in children who drink four or more servings of soft drinks.every day.
Researchers asked the women to keep a
Shakira Suglia worked on the study with researchers from the University of Vermont and Harvard University School of Public Health. She says they found that children who drank the most soda were more than two times as likely as those who drank no soda to show
“For the children who
The aggressive behaviors included destroying possessions
Shakira Suglia says the researchers identified the
Doctor Suglia says it’s not
“We can’t prove that this is a direct
A
Doctor Suglia suggests that caffeine could be causing the 5-year-olds to be more aggressive. The research is part of a large study called the Fragile Families and Child Wellbeing Study, which
Earlier studies of young adults have found the highest sugar levels in those who carry weapons and show signs of
A.Information | B.Curiosity | C.Demand | D.Reason |
A.distance | B.record | C.balance | D.secret |
A.construct. | B.state | C.choose | D.complete |
A.marks | B.signs | C.ideas | D.sights |
A.consumed | B.assumed | C.proposed | D.produced |
A.turning to | B.objecting to | C.keeping to | D.belonging to |
A.gently | B.physically | C.socially | D.reasonably |
A.division | B.measure | C.link | D.quality |
A.besides | B.as to | C.despite | D.such as |
A.breaking in | B.getting ready | C.looking out | D.taking place |
A.likely | B.wrong | C.clear | D.sure |
A.early and late | B.back and forth | C.cause and effect | D.ups and downs |
A.virus | B.substance | C.nutrient | D.factor |
A.follows | B.awards | C.comforts | D.supports |
A.inspiring | B.amusing | C.negative | D.creative |
【推荐1】First aid is emergency care for a victim of sudden illness or injury until more skillful medical treatment is available.First aid may save a
Firstaid measures
Despite the variety of possible injuries,several principles of first aid
Once obvious injuries have been evaluated,the injured person's head should be kept in a neutral position in line with the body.If no
A.chance | B.disaster | C.life | D.family |
A.minor | B.severe | C.unique | D.certain |
A.pressure | B.pain | C.guilty | D.injury |
A.carefully | B.correctly | C.mildly | D.quickly |
A.depend upon | B.contribute to | C.consist of | D.approve of |
A.temporary | B.basic | C.important | D.fortunate |
A.result from | B.suffer from | C.take on | D.lead to |
A.apply | B.refer | C.turn | D.respond |
A.needed | B.selected | C.requested | D.refused |
A.details | B.roots | C.results | D.effects |
A.recorded | B.measured | C.checked | D.observed |
A.Although | B.When | C.Because | D.Unless |
A.move | B.save | C.touch | D.defend |
A.analysis | B.explanation | C.experience | D.evidence |
A.to | B.with | C.on | D.at |
【推荐2】Despite the fact that the ocean plays a role in everything from the air we breathe to daily weather and climate patterns, we know very little about our ocean. And, most of our
Ocean exploration is about making discoveries,
Findings made through ocean exploration are fundamental to reducing
Information from ocean exploration is
Ocean exploration can improve ocean literacy (认识) and
A.discussion | B.knowledge | C.decision | D.judgment |
A.task | B.business | C.mystery | D.headache |
A.searching for | B.giving up | C.picking out | D.taking on |
A.in case of | B.in hopes of | C.in need of | D.in terms of |
A.developed | B.balanced | C.connected | D.organized |
A.pollutants | B.activities | C.unknowns | D.emissions |
A.remove | B.address | C.reflect | D.emphasize |
A.ever | B.already | C.just | D.even |
A.enjoy | B.choose | C.waste | D.change |
A.necessary | B.practical | C.complex | D.important |
A.prove | B.narrow | C.overlook | D.reveal |
A.affecting | B.protecting | C.respecting | D.improving |
A.allow | B.invite | C.require | D.inspire |
A.monitoring | B.measuring | C.exploring | D.facing |
A.checked | B.applied | C.designed | D.stimulated |
【推荐3】How to Learn to Love to Practice
In interviews, famous people often say that the key to becoming both happy and successful is to “do what you love.” But
Anyone who wants to have a good command of a skill must go through the
The
Csikszentmihalyi, a famous psychologist, suggested that those who most
While there isn’t yet a pill that can turn dull practice into an exciting activity for anyone, it is comforting that we seem to be able to advance into flow states. By giving ourselves unstructured, open-ended time, minimum distractions, and a task set at a moderate level of
A.functioning | B.stimulating | C.enriching | D.mastering |
A.fixed | B.concentrated | C.paralleled | D.instructed |
A.transformation | B.substitute | C.cycle | D.condition |
A.pleasure | B.pride | C.interest | D.part |
A.frustrating | B.rewarding | C.ignorant | D.poisonous |
A.objection | B.standard | C.principle | D.difference |
A.adjust | B.devote | C.apply | D.expose |
A.deliberately | B.readily | C.hesitantly | D.flexibly |
A.feature | B.control | C.advantage | D.sympathy |
A.reward | B.jealousy | C.security | D.contribution |
A.Unexpectedly | B.Fortunately | C.Typically | D.Obviously |
A.influenced | B.favored | C.cultivated | D.underestimated |
A.Otherwise | B.Therefore | C.Furthermore | D.Instead |
A.advocated | B.suspended | C.discouraged | D.observed |
A.priority | B.difficulty | C.curiosity | D.identity |