Province. ( )

(3) Some scientists are sure dinosaurs died out because the earth got too hot for the dinosaurs to 1ive on any more. ( )

(4) Dinosaurs died out quickly about 65 million years ago and many other wild plants and animals have died out in the last 500 years. ( )

(5) Dinosaurs 1ived on the earth after humans came into being．( )

(6) At that time those dinosaurs could only run like the others．( )

F F F T F F

2. Answer the following questions．

(1) How did we know a number of dinosaurs used to live in China?

___________________________________________________________________________________

(2) How did scientists find these dinosaurs could not only run like the others but also climb trees?

_______________________________________________________________

(1) The eggs of twenty-five species have been found in ...Henan Province.

(2) They learned this from the way the bones were joined together.

四、知识点学习

1. They lived on the earth tens of millions of years ago, long before humans came into being and their future seemed secure at that time. 千百万年前，恐龙就在地球上生活，比人类的出现要早得多，当时它们的前景好像也很安全。

long before "早在......之前；很久以前" 此短语后面可以跟名词、代词或句子，也可以单独作状语。常用于过去时或过去完成时。

before long 相当于soon "不久或不久之后" 常与将来时或过去时连用。

I knew Betty long before you got married to her. 早在你和贝蒂结婚之前，我就认识她了。

He said that he had been to Shanghai long before. 他说他很久以前去过上海。

It looks as if it will snow before long. 看起来好像一会儿要下雪。

We will know it before long. 我们很快就会知道了。