Children start out as natural scientists, eager to look into the world around them. Helping them enjoy science can be easy; there’s no need for a lot of scientific terms or expensive lab equipment. You only have to share your children’s curiosity. Firstly, listen to their questions. I once visited a classroom of seven-year-olds to talk about science as a job. The children asked me “textbook questions” about schooling, salary and whether I liked my job. When I finished answering, we sat facing one another in silence. Finally I said, “Now that we’ve finished with your lists, do you have questions of your own about science?”
After a long pause, a boy raised his hand, “Have you ever seen what a grassshopper（蚱蜢）eats? When I try eating leaves like that, I get a stomachache. Why?”
This began a set of questions that lasted nearly two hours.
Secondly, give them time to think. Studies over the past 30 years have shown that, after asking a question, adults typically wait only one second or less for an answer, no time for a child to think. When adults increase their “wait time” to three seconds or more, children give more logical, complete and creative answers.
Thirdly, watch your language. Once you have a child involved in a science discussion, don’t jump in with “That’s right” or “Very good.” These words work well when it comes to encouraging good behavior. But in talking about science, quick going by saying “That’s interesting” or “I’d never thought of it that way before,” or coming up with more questions or ideas.
Never push a child to “think”. It doesn’t make sense, children are always thinking, without your telling him what to do. What’s more, this can turn a conversation into a performance. The child will try to find the answer you want, in as few words as possible, so that he will be a smaller target for your disagreement.
Lastly, show, don’t tell. Real-life impressions of nature are far more impressive than any lessons children can learn from a book or a television program. Let children look at their fingertips through a magnifying glass（放大镜）, and they’ll understand why you want them to wash before dinner. Rather than saying that water evaporates（蒸发）, set a pot of water to boil and let them watch the water level drop.
68.According to the passage, children are natural scientists, and to raise their interest, the most important thing for adults to do is ___________.
A.to let them see the world around
B.to share the children’s curiosity
C.to explain difficult phrases about science
D.to supply the children with lab equipment
69.Children can answer questions in a more logical, complete and creative way if adults _______.
A.ask them to answer quickly
B.wait for one or two seconds after a question
C.tell them to answer the next day
D.wait at least three seconds after a question
70.The author mentioned all of the following techniques for adults to share with their children’s curiosity EXCEPT that adults should _______________.
A.tell their children stories instead of reciting facts
B.offer their children chances to see things for themselves
C.be patient enough when their children answer questions
D.encourage their children to ask questions of their own

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