Studies Show US Spending Doesn’t Get Best HealthThe United States many spend twice as much on health care as other rich countries1, but it is not gett...
Investment and ConsumptionInvestment in the public sector,such as electricity,irrigation,public services and transport (excluding vehicles,ships and p...
Motoring Technology1.2 million road deaths worldwide occur each year,plus a further 50 million injuries.To reduce car crash rate,much research now is ...
add up to合计，总计break away(from)脱离，逃跑come true实现，达到come up with提出，提供do away with废除，去掉have nothing to do with和…毫无关系make believe假装catch up with追上，赶上come u...
and so on等等all at once突然;同时，一起once(and)for all一劳永逸，限此一次by oneself独自地，单独地other than不同于all right好，行ever since从那时起，自那时以来ever so非常，极其so…as to结果是;如此……以至于at...
Can Buildings Be Designed to Resist Terrorist Attack?In the aftermath of the terrorist attack on the World Trade Center, structural engineers are try...
Lead PollutionLead deposits, which accumulated in soil and snow during the 1960’s and 70’s, were primarily the result of leaded gasoline emissions ori...
The Effects of Global Warming on WeatherThere are hidden factors which scientists call "feedback mechanisms”。 No one knows quite how they will interac...
Britain’s Solo SailorEllen MacArthur started sailing when she was eight，going out on sailing trips with her aunt.She loved it so much that she saved h...
once upon a time从前no wonder难怪，怪不得decline with thanks婉言谢绝account for说明(原因等)allow for考虑到arrive at达成，得出ask for请求，要求begin with从开始break off断绝，结束break up中止，...
Eiffel Is an EyefulSome 300 meters up,near the Eiffel Tower's wind-whipped summit the world comes to scribble.Japanese,Brazilians.Americans-they graf...
come/go into effect生效，实施catch one eye引人注目make a face做鬼脸catch fire着火make friends交朋友，友好相处make fun of取笑，嘲弄lose heart丧失勇气，失去信心get hold of抓住，掌握throw/cast l...
Most Adults in US Have Low Risk of Heart DiseaseMore than 80 percent of US adults have a less than 10–percent risk of developing heart disease in the ...
Are You Just Not Ill or Excellent in Health?As we have seen, the focus of medical care in our society has been shifting from curing disease to prevent...
动词不定式可以在句子中用作状语，有下列几种情况：[A] 放在不及物动词(come,go,stop,finish,wait等词)的后面。如：He came to see her yesterday.(他昨天来看望她)(表示来的目的)/ I stopped to have a rest.(我停下来休息一...
Benefits of Educating GirlThe benefits of educating girls are numerous — to individual girls both when they are young and when they become adult women...
go before居前have to/have got t0不得不，必须help oneself自取所需(食物)keep out of躲开，置身…之外get out of逃避，改掉have get有give oneself up自首，投降，投案go along with陪同前往，随行g0 in fo...