【简答题】Passage B The fossil remains of the first flying vertebrates, the pterosaurs, have intrigued paleontologists for more than two centuries. How such large creatures, which weighed in some cases as much ...
【简答题】十二、阅读短文,判断句子的正(T)误(F)。 In our daily life, so many people throw litter into the sea. It ends up in the Pacific Ocean. There is a big island of litter. There are plastic things, such as old toys, bottle...