But in 2017 theimprovement in PM 2.5 concentrations stopped and the level flattened out.This winter has seen welcome episodes of clear skies but also more days than in 2016 ofthe worse,choking smog,when daily PM 2.5 levels rise above 300.The annual average level remains about 25...
The people affect your life，and the successes
and failures you experience.这里的先行词为什么是the successes and failures而不是your life，and the successes
and failures呢，三个明明是并列啊？
...ars' development, we institute, oriented in February 20,
1968, have become the most promising behemoth in China space area conducting main
research and development of space technology and product. Dedicated inthe
development of space technology and aircrafts, technical communication and
cooperation...
...电视上播放方言节目，以期保存本地的文化遗产。英文：There are extensive land and numerous population in China and people have separate dialects in many
parts of China.
Dialects have the biggest difference in pronunciation and have few differences
in vocabulary and grammar. som...
... to warn of coming disaster, a successful lawsuit might compensate you for your troubles. Or so the thinking has gone since the early 1980s when juries began holding more companies liable for their customers' misfortunes. “or so the thinking has gone”是为了表强调，so的前置；还是...
You can pay premiums on yourinsurance once a year.Did you claim on theinsurance after your car accident?请问老师,这两句中on insurance怎么理解?第一句是pay为什么没有for呢? 而 on yourinsurance 在这个句子里是做什么作用的?第二句是不是claim已经及物了,...
1.Entering theoffice this morning, I found Bob___at the desk, __in thought.第一个空是答案是seating,第二个空是Lost,我想问第一个空为什么不用seated 呢，或者把found 后面看作是省略that的宾语从句，填was seating,我的这两个答案为什么不对呢。2....
...ntered, Vanak Restaurant does not look like much of a restaurant, but once the pleasant smells of kabob (烤肉串) hit the senses, you are incapable of calling it anything less. Owned by a local couple, this Persian restaurant has an inviting, homelike atmosphere that many restaurants lack. Th...
You can add 10,000 hours for
each decade you have lived after the age of 20.(1) Calculate for a moment what
could be done with even a part of those hours. Five thousand hours，i am told, are what a typical college
undergraduate spends working on a bachelor's degree. (2) In
10,000 hours you could...
...在他们的图片上圈出一个地方说明情况，我写了please see the picture in which I highlighted. 我想表达请看我在图中高亮出来的地方，我是否应该写 please see the area inthe picture which I highlighted. 哪一种合理？为什么？2、在学习现在完成时...
Thus he became the supreme propagandist of
science and his name the great symbol of an almost blind faith inits possibilities.
Thirty years ago, when I was a schoolboy, the ancient conservatism of man was
still the normal inheritance of every child. We began to have electric lights,
and telephones,...