There hasbeena significant improvement in life expectancy over the past few decades as a result of technological advances and increased personal wealth.
请问这句话中的increased可以换成increasing吗？它们有什么区别呢？
... the Netherfield party. Mr. Bingley had
danced with her twice, and she had been distinguished by his sisters. Jane was
as much gratified by this as her mother could be, though in a quieter way. Elizabeth
felt Jane's pleasure. Mary had heard herself mentioned to Miss Bingley as the
most accomplished ...
Nobody has promised that any of you will be released yet.上句中的yet在牛津词典中a) used in negative sentences and questions to talk about sth that has not happened but that you expect to happen （用于否定句和疑问句，谈论尚未发生但可能发生的事）b (used in negative s...
...文辞书典籍中不难见其踪影。例如： More people own
houses than used to years ago. (UGE) More people are
buying a second car than used to twenty years ago.(EGUC) Fewer people smoke
these days than used to. (CIDE)从现有的例证看，用than used to从句...
...ng age.Primary school students have classes on
computers.Many of them have been using their computers at home well before they
start school. AS children are learning from a very young age about
technology,they’re taking big steps as they grow in being prepared for
schooling,future careers and more...
It hasbeen estimated that if the bridge were packed with cars, it
would still only be carrying a third of its total capacity.请问老师，这个句子使用were packed，也就是使用了从句用did的虚拟语气，无论现在还是将来，桥上挤满了车都是不可能的，那我要怎...
...ous and when to trifle with gracefulness and to be serious with effect. He has the repose ofa mind (which) lives in (itself), while (it) lives in the world, and (which) has resources for (its) happiness at home when (it) cannot go abroad.
...es assisted living really mark a great improvement over a nursing home, or has the industry simply hired better interior designers？has the industry simply hired better interior designers 这句话中是has后面省略了that嘛，the industry simply中的simply做后置定语。这样分析...
...as baffled as you as to how leaving a
great group of countries who we have been trading with and have beenat peace
with for almost 50 years just beggars belief.这里的 be they rich or
poor or have a degree or not 从have开始，是whether they have a degree or not的简化么？所以不仅wheth...
... famed citation index, that is to say the number of times a paper hasbeen quoted elsewhere in the scientific literayure, the assumption being that an important paper will be cited more often than one of small account. one of后不是应该接名词复数吗？而且account是可数...