人教版高中英語選修6教案Unit1  Art

  34.including，介詞，“包括”。  35.after.表“我的介紹之后，今天上午的其他安排。  36.more，從前文可知此處表更進(jìn)一步了解產(chǎn)。  37.no, no one is allowed to leave...表任何人不允許離開……。  38.that，考查so...that…的結(jié)構(gòu)。  39.  if,表假設(shè)關(guān)系。  40.any表“任何……”3閱讀理解閱讀下列短文，從每題所給的a、b、c和d項中，選出最佳選項，并在答題卡上將該項涂黑。詞數(shù)：352完成時間：7分鐘難度：*it is always hard for a small fish to live in a big pond. pluto's recent departure from the classical planet family clearly proves that size really matters.     astronomers voted on august 24 to create the first scientific definition of the word "planet ", and pluto obviously didn't make the cut. it turned out to be only a "dwarf planet (矮行星) ".    after weeks of heated debate, over 2, 500 astronomers from 75 countries voted on the definition of a "planet" at a conference of the international astronomical union ( iau ). according to the definition, a planet must have a clear neighbourhood around its orbit. pluto has widely been considered a planet since its discovery in 1930. unfortunately, it has a special orbit which overlaps with neptune's. it is all because, compared with neptune, pluto is very small. it is attracted by neptune's gravity when the two planets get closer.     according to iau, a "dwarf planet" should have an orbit around the sun. it will not have a clear neighborhood around its orbit, and must not be a satellite. the new classification means that the science textbooks will have to be updated.    the solar system is now made up of the eight "classical planets," together with a number of dwarf planets. the classical planets are: mercury, venus, earth, mars, jupiter, saturn, uranus and neptune.    the debate over pluto's status started in 1992. after an advanced telescope was sent into space, astronomers started to find a belt of objects, which lies beyond neptune. the belt contains nearly 1,000 objects, including pluto.  as they continued the exploration, scientists recently discovered at least 41 dwarf planets at the edges of the solar system. there are at least two objects of a similar size to pluto.     it seems that even if the iau had kept pluto's status as a planet, the classical theory of nine planets in the solar system would have had to be changed, but the other way around. more dwarf planets of a similar size to pluto would join the family of planets. scientists will probably find many more dwarf planets.