The population of the United States is growing older and will continue to do so. According to a report, 51 millionAmericans will be 65 1.older by the yenr 2020, and 65 million by 2030.The "graying"of the United States is mainly due to the fact that people in the U.S. are living...
The first has to do with predictions of growing scarcity of natural resources and environmental carrying capacity. The most extreme version is to be found in the doomsday literature of the last two or three years which in one way or another argues that population and economic growth are ...
The "graying" of the United States is mainly due to the fact that people in the U. S. living longer. As a matter of fact the number of U.S. citizens 85 years old and older is growing six times as fast as the rest of the population. It is also largely due to the old-growing ...
The Trump administration has announced an ambitious three-year plan to replace the nation’s aging air traffic control system Associated PressMay 8, 2025 Create an Account Create a free account to save articles, sign up for newsletters and more. ...
Populationsofwhite-taileddeeraregrowingquicklyinmanypartsoftheUnitedStates.Aspopulationsgrow,foodbecomesaproblem.Manydeerdieofhunger.Othersgrowupsmallandunhealthy.Insearchoffood,hungrydeermoveclosertowherehumanslive.Theyeatfarmcrops,vegetablesandeventrees.Besides,somanydeernearroadscancause(引起)trafficaccidents.Most...
Bound states in the continuum (BICs) have attracted attention in photonics owing to their interesting properties. For example, BICs can effectively confine light in a counterintuitive way, and the far-field radiation of photonic structures that exhibit B
The state’s economy is diverse, including shipbuilding on the southern shore, the farming and tobacco-growing of rural areas and the technology companies of the suburban Washington corridor.,[object Object], Read More » #8 College Readiness #12 High School Graduation Rate #22 NAEP Math Score...
The challenges are enormous, even if everyone is pulling in the same direction. That reality was driven home this month by a new Los Angeles Homeless Services Authority report showing that the county’s homeless population i...
故选B。 (4)题详解: 主旨大意题。根据文章第一段的第一句话“Robots that can cook are in growing demand(需求)in the United States.(能做饭的机器人在美国的需求量越来越大。)”以及全文对于美国机器人厨师的介绍可知,本文主要讲述了美国餐馆对机器人厨师的需求越来越大。故选C。
33. A growing body of evidence now indicates that inequality in the United States threatens。 create inter generational poverty traps, which greatly reduce social mobility(提升社会地位) and marginalize entire swath(大批) of the population. Such effects are sure to have political ramifications(后果)....