问题补充:
Dinosaurs now are far away from us. Dinosaurs were real animals that once lived on the earth, but they _1_ (die) out about 65 million years ago. The _2_(disappear) of the dinosaurs is _3_ some way a great mystery. Some scientists think that the climate changed suddenly. Fossils of trees tell us that the temperature dropped a lot and that the level of the sea dropped as well. This means that it got suddenly much _4_ (cold). Perhaps the dinosaurs were too slow died5disappearance(change) with the climate. A new idea is _6_ a meteor(流星) crashed into the earth. Scientists discovered a place in Mexico _7_ they think the meteor crashed. They think that there was a lot of dust from the meteor. The dust landed on the plants. Also the dust blocked(阻挡)the sun’s light for as long as five years. Many animals, _8_ (include) dinosaurs, were plant eaters, and perhaps the dust killed in9colder. This means there was nothing left for meat eating dinosaurs to eat, and so they died out. But, as many animals from that time did not die, we are not 100% sure what to change10that (real) happened.
答案:
解析:
【小题1】根据about 65 million years ago,可知是发生在过去的事情,故用一般过去时。
【小题2】句子的主语,故用名词形式。
【小题3】固定用法,in some way在某种程度上。
【小题4】much修饰比较级。
【小题5】too...to句型,太……以至于不能。
【小题6】这个句子中含有一个表语从句,且引导词在从句中不但当任何成分,且没有实际意义,故填that。
【小题7】这个句子中含有一个定语从句,且关系词在从句中作地点状语,故用where。
【小题8】including是介词,意思是包括,包含在内。
【小题9】作句子的宾语,故用人称代词的宾格。
【小题10】需要用副词来修饰动词“happened”。
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