Unit 1 Women of achievement Learning about language课时作业.完形填空It is 2,000 years since the Chinese began to make paper. _1_ everybody knows, paper was one of the most important _2_ in Chinese history. It is because of the invention that _3_ of Chinese history was kept. However, in _4_ parts of the world, much of the history over hundreds of years is _5_ because they had no paper in these countries.Can you _6_ that ancient Chinese people used to _7_ records by putting many stones together in the old days? As writing was developed, words were _8_ on animal bones, later on metal pots, examples of these have been _9_ from the 16th to the 3rd centuries BC. _10_ the second and the fifth centuries AD, words were written on pieces of bamboo or _11_. Maybe you have seen the _12_ books, which was made of pieces of bamboo or wood on which words were written.About 2,000 years _13_， another kind of paper was _14_， which was made from _15_. It was much _16_ to write and draw on it than bamboo or wood, but it was too expensive, so people made a kind of paper from fibers of _17_， such as the outside of trees, and from pieces of old clothes. This kind of paper was as _18_ as silk but much cheaper.It is in the first century _19_ the making of paper had been well developed in China. In the 18th century a papermaking _20_ was built in the Middle East. And later on, Spain, Russia and America began to make paper as well.语篇解读：纸是中国古代的四大发明之一。正是由于它的发明，许多中国历史才得以保存。那么，书写究竟经历了怎样的发展，才最终落到了纸上呢？1A.AsBLikeCTherefore DThus解析：选Aas为关系代词，引导非限制性定语从句，指的是后面主句的内容，可译为“正如(As)大家所知道的那样”。2A.deeds BdiscoveriesCcharacters Dinventions解析：选D根据后面一句话中的invention可知此处为inventions。3A.many BfewClittle Dmuch解析：选D根据句意“由于有了这项发明，许多(much)中国历史才得以保存”可知选much；下文中的much of也是提示。4A.all BsomeCany Dother解析：选Din other parts of the world“在世界的其他地方”，此处是泛指。5A.known BunknownCremained Dpuzzled解析：选B根据后面的原因状语从句可知：没有纸就没有历史的记载，也就不知道(unknown)以前的历史，故用unknown。6A.think BtrustCimagine Dconsider解析：选Cimagine“想象”。7A.keep BcreateCwrite Dbreak解析：选A文章讲的是书写的历史，所以用keep records，意为“记录信息”。create, write和break在此处意思不符合。8A.written BdrawnCcarved Dprinted解析：选C此处句意为“随着书写的发展，字被刻(carve)在了兽骨上”，所以此处用carved。9A.seen BlookedCglanced Dstared解析：选A从公元前16世纪到公元前3世纪，字都是刻在兽骨或是金属制品上。这里用seen表示现代人看到的结果。10A.Between BFromCIn DOn解析：选Abetween .and .意为“在和之间”。11A.paper BstonesCbone Dwood解析：选D从下面一句来看，应为wood。句意为“在公元2世纪和5世纪之间，人们把文字写在竹片或木头(wood)上”。12A.earliest BthickestChelpful Dbiggest解析：选A联系上下文来看，只有“最早的(earliest)”书才能写在竹片和木头上，所以此处用earliest。13A.before BagoClater Dafter解析：选Bago是以“现在”为起点，before是以“过去”为起点，这里是指大约2 000年“前(ago)”。14A.developed Bbeing inventedCappeared Ddiscovered解析：选A句意：大约2 000年前，另一种纸“产生(develop)”了。从上文中writing was developed也能得到暗示。15A.wood BsilkCcloth Dbamboo解析：选B联系上文来看，可以排除bamboo和wood；联系下文来看，以后出现的纸是用cloth做的，所以可排除cloth；根据后面的too expensive可以断定此处为silk。16A.harder BconvenientCeasier Dslower解析：选C在丝绸上写和画比在竹片或木头上写和画“更容易(easier)”，故用easier。17A.cloth BplantsCanimals Dskins解析：选B从后面的举例“树皮”来看，是用“植物(plant)”纤维造纸，所以选择plants。18A.hard BgoodCgentle Ddifferent解析：选B有了树皮和旧衣服当替代品，效果和丝绸一样“好(good)”，但是便宜得多，所以用good。19A.when BthatCwhat Dwhy解析：选BIt is .that .是强调句型。20A.company BfactoryChouse Dbuilding解析：选B此处指的是“造纸厂”。.阅读理解The Hanging Gardens were one of Babylons greatest attractions, according to Greek historians. Yet it is still a great secret of how they were built such a long time ago.They were one of the seven wonders of the ancient world, yet no one knows for sure whether they existed. The Hanging Gardens of Babylon were a wonder to look at, according to anyone who saw them and wrote about them. Greek writers were certainly impressed by them. Yet where were they, and why were they built?Historians are fairly certain that they know the answer to the first question: Where were they? Recent excavations (发掘) of the ancient city of Babylon have showed us a likely possibility that the Gardens werent really hanging but were on high rooftops, giving the wrong idea of hanging in the sky. It has been suggested that the plants that filled the rooftop garden had vined (长成藤蔓) so long that they covered the building walls, giving the impression that the plants hung in the middle of the air. In fact, the name comes from a misapprehension of the Greek word “kremastos” or the Latin word “pensilis”， which means not just “hanging”， but “overhanging” as in the case of a terrace (平台)One of the most common mysteries has been how the plants were watered. Babylon, after all, is in the middle of a desert. Excavations in recent years have clearly explained this question. Archaeologists (考古学家) now think that a kind of watering system was designed, which is like our modern conveyor belt (传送带). No such thing ha