شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 9278

. At the preschool age, children begin to learn the required skills, which will .....................................  into reading and math in elementary school

For years, scientists thought that dinosaurs were big, stupid, and cold-blooded __ in other words, just giant reptiles. There is no doubt that some dinosaurs were huge. But many were about the size of modern-day birds or dogs. Were dinosaurs warm or cold-blooded? Paleontologists are not sure. But they believe some were intelligent. Of course, no dinosaur was as smart as a human or even a monkey. However, some smaller dinosaurs like the two-meter Troodon had fairly large brains.

    In the movies, T-Rex is often a speedy giant. Some scientists think the opposite is true. In fact, this dinosaur could not run very fast. Physically, it was too large. In reality, T-Rex probably moved as fast as an elephant. Also, T-Rex had very small arms. Without strong legs or arms, this dinosaur probably wasn’t a powerful hunter. It may have been a scavenger, only eating animals that were already dead.

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