. They wait behind a gate. When it is time, they rush out of the gate. They run as fast as they can... and down. How funny it is!Over 150 runners wear T. rex costumes. They wait behind a gate. When it is time ……

as fast as they can. They shake (摇动) their big heads from left to right. They move their small and short arms up and down. How funny it is! Of course, not everyone can be the winner. But each of them has ……

at about 4.8 km per hour. That’s about as fast as an adult (成年人) can walk!The T-rex is the biggest... the Netherlands (荷兰) found T-rex walked at about 4.8 km per hour. That’s about as fast as an adult ……

Tyrannosaurus rex (T. rex, 霸王龙) is scary enough. Now picture 1.7 billion (十亿) of them! That’s how... (T. rex, 霸王龙) is scary enough. Now picture 1.7 billion (十亿) of them! That’s how many of the dinosaur ……

Too far to walkA: Why do birds fly south for the winter?B: Because it's too far to walk.Most lettersKarry: Hey Jane, I can spell a word with over a 100 letters!Jane: Really, what?Karry: P-o-s-t o-f-f ……

to start all over and win his place in NBA3. From the story we can see that Yi Jianlian is a person ……

of the University of California Museum of Paleontology. By looking at how long T. rex could live (for about... animal size and population size, to determine how many T. rex there were. Altogether, the team said ……

T. rex were there on Earth according to the new study?1. How many T. rex were there on Earth.... Paragraph 2 is written to show _____.A. how quickly T. rex grewA. how quickly T. rex grewB. how long ……

! And it's toodark(黑暗的) here to look for clues. How can we get out?""I have an idea," Rose said. "I'm small. I can climb up to the T. rex's mouth andshout(叫喊) outside for help."No," Dink said. "You can't do that. We ……

Tiny ‘T-rex' found in plains of ChinaAN exciting recent discovery of a dinosaur skeleton (恐龙骨骼) shows that 125 million years ago a tiny cousin of the giant T. rex (霸王龙) lived on the northeastern ……

恐龙骨架助美国农夫一夜暴富。HOW can a person make great money overnight? Maybe old animal bones (骨头) help...-old dinosaurs (恐龙) on his land. One of the skeletons (骨架) is a Tyrannosaurus rex (暴龙). According ……

in high temperaturesC. can be worn many timesD. helps astronauts walk quickly in space3. The new... many timesD. helps astronauts walk quickly in space4. What is the story about?A. How to change ……

and decides how long the walk will be. Most charity walks are 1 20 and 30 kilometres long, but some... school, we take a math and language test 4 the PSAT/NMSQT. The results of this test decide 5 we can ……

How fast can you get through this maze?How fast can you get through this maze?   ……

) of a T. rex (霸王龙) in the US. They named it Sue. This big dinosaur lived about 67 million years ago. Scientists... is a bone disease. When uric acid (尿酸) builds up in someone’s body, it can be bad for bones ……