When very small dinosaur bones were found in a Germany mine, people thought they were from baby dinosaurs. 小题1: Martin Sander's work shows that they were probably fully 小题2: and belong to the smallest 题目和参考答案——青夏教育精英家教网—

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When very small dinosaur bones were found in a Germany mine, people thought they were from baby dinosaurs. ___小题1:_ Martin Sander's work shows that they were probably fully __小题2:__ (grow) and belong to the smallest giant dinosaur species ever found.
Growth marks on dinosaur bones are similar __小题3:__ growth rings on trees. The rings are far apart while the animal is young and growing quickly. __小题4:__ get closer as growth slows. "It is _小题5:__ (exact) these tight ring marks that we found in the fossil bones," says Sander. So the fossils must have been from adult animals.
__小题6:__ was this German dinosaur so much smaller than other giant dinosaurs, which grew up to 45 metres long and weighed as much as a thousand humans?
150 million years ago, most of Germany was underwater. Scientists think that __小题7:__ water levels rose, there was less and less land and food available. The dinosaur _小题8:__ (need) less space and food.
Since 1998, scientists have dug up more than 1,000 dinosaur fossils in the mine. It is one of the few places in the world __小题9:_ the bones and footprints of dinosaurs have been found together.

小题1:But
小题2:grown
小题3: to
小题4:They
小题5:exactly
小题6:Why
小题7:as / when
小题8:was forced
小题9:needing
小题10:where

试题分析：文章介绍了一些在德国发现的恐龙化石，以及对它们进行的研究。
小题1:上文说人们认为发现的小的恐龙骨头是小恐龙的骨头，后面说Martin Sander的工作表明它们可能是充分长大的或是属于最小的巨型恐龙的，所以这两句话是转折关系，填But。
小题2:they指的是small dinosaur bones 和grow是被动关系：填grown。
小题3:恐龙骨头上成长的标志和树上的年轮相似。be similar to和…相似.
小题4:随着生长放慢，它们也靠近了。这里使用They代替Growth marks。
小题5:我们在骨头化石中发现的就是这些靠得很近的标志.用副词exactly修饰be动词。
小题6:根据下文，可知这句话是问：为什么这些德国的恐龙比其他的大型恐龙小这么多？用Why。
小题7:科学家认为当水平面上升的时候，土地会越来越少。这里用连词as / when当…时候。
小题8:恐龙被迫进化到更小的动物。The dinosaur 和force是被动含义，而且是过去的情况，所以用was forced
小题9:这里是现在分词做定语，因为a smaller animal 和need是主动关系，用needing
小题10:这里世界上为数不多的地方可以同时发现恐龙的骨头和足印的。Where引导的是定语从句。

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