28. According to the passage, what three components does the best speech combine?
A. Informing, delivering and entertaining. B. Informing, persuading and entertaining.
C. Informing, writing and delivering.
D. Informing, writing and persuading.
D
Kepler 22b, a planet more like Earth than any yet discovered, has been identified as a potential future home for mankind.
Kepler 22b contains both land and water and has temperatures which average around 22℃. It also contains the right atmosphere to potentially support life.
It is, however, 600 light years from Earth. The planet, where a year lasts 290 days, was first spotted two years ago.
However, NASA scientists using the agency’s Kepler space telescope have now concluded that it offers the best hope yet for future human habitation outside the Solar System.
One of the key standards for a planet to be habitable is that it remains roughly the right distance from its main star to be neither too cold nor too hot.
This range of ideal temperatures is known to scientists as the “Goldilocks” zone, as the temperature is “just right” for life.
Bill Borucki, Kepler principal investigator at NASA Ames Research Centre, said: “We have now got good planet confirmation with Kepler 22b. We are certain that it is in the habitable zone and if it has a surface it ought to have a nice temperature.”
【2017届江苏省高三英语一轮复习训练:7】相关文章:
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (22)
★ 【人教版】2014届高考英语一轮复习指导考点针对练:必修4 unit1《Women of achievement》
★ 河南省三门峡市2014高考英语一轮(暑假)基础训练(9)附答案
★ 2017年高考英语二轮复习精品资料:专题15 完形填空(押题专练)(原卷版)
★ 【人教版】2014届高考英语一轮复习指导考点针对练:必修4 unit5《Theme parks》
★ 山西省永济市涑北中学高三英语总复习:美文欣赏(2)(Dad’s Gift)
★ 【北京专用】2014届高考英语一轮复习方案课时作业:必修4 Unit 2 Working the land
★ 2017届高考英语二轮复习书面表达限时测验:4(含解析)
★ 2017高考四川省广安市英语阅读理解一轮系列训练:25(含解析)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21