New ideas are frequently very slow to be accepted. Scientists such as Galileo, Louis pasteur, and Edward Jenner were laughed at because they held theories that were not accepted. Respect for new ideas...
Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur...
LESSoN TEN TEXT A Scientific Attitudes Science had its beginning when man started asking questions about his environment. He wondered where the sun went at night and why the sky was blue. He questione...
After all, those first two steps or approaches spark a stronger than usual interest in that dictionary definition. Youre now personally involved. Did you find out the word meaning? Your heightened int...
LESSoN NINE (B) TEXT B How Should You Build Up Your Vocabulary? Through Context When students in a college class were asked what should be done when they came across a new word in their reading, eight...
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（所发资料 30 页） 2. As is known, light much faster than sound. A. traveled B. travels C. is traveling D. has traveled 3. The teacher told the students that the earth around the sun. A. went B...
First, there are those words ( with which we become familiar in ordinary conversation) , which we learn ， that is to say, from the members of our own family and from our friends, and which we should...
Diamonds, as they are found , do not look very impressive. They are gray, greasy-looking pebbles. Experienced diamond miners can tell(distinguish) a diamond immediately. But some people have carried a...
Scientists know that the combination of extreme heat and pressure changes carbon into diamonds. Such heat and pressure exist only in the hot, liquid mass of molten rock deep inside the earth. It is th...
