( )16.—_
一By Thomas Alva Edison.
A. Who was the light bulb invented by?
B. When was the light bulb invented?
C. Why is the invention helpful?
D. What invention is the most helpful?
科目：初中英語 來源： 題型：
( )11. She is not_to buy the car.
A. poor enough B. rich enough C. enough money D. cheap enough
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( )11. My mother told me that my homework must_on time.
A. finish B. be finish C. finished D. be finished
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( )21. —Did you go to Joe’s birthday party last night?
—No, I_.
A. didn’t invite B. wasn’t inviting C. wasn’t invited D. am not invited
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Almost everyone invents, but they do not recognize that their idea is an invention. Most inventors do not get credit (榮譽）for their ideas. That was true in the past and
today. The reason is simple, most inventors lack(缺少）the other skills they need to let people know what they have created and why their inventions are good.
Many inventions have little or nothing to do with science. But an understanding of science is often needed to make your invention work. And it is also important to be able to make the invention at a price that people can afford. Science will help you make choices on the best way and materials to make your invention.
Understanding business is also important. Most inventors have to make and sell the invention themselves. Big established businesses are usually not interested in an invention until they see their customers buying from the inventor.
You may be able to invent without understanding reading, writing, math, history and science. But you may not profit from inventing without all of those skills. You need to be able to read well to learn new skills. All the good ideas in the world are useless if you do not have the writing skills to be able to tell other people how and why your invention is valuable. You often need math to figure out(計算出）how to make your invention and you always need math to figure out the cost to make and sell the invention. And you almost always need science to make the invention at the lowest cost.
( )46. Why don’t most today’s inventors get credit?
A. Because they don’t sell their inventions.
B. Because they don’t recognize their ideas as inventions.
C. Because they lack of some other skills.
D. Because they don’t know why there is better than previous inventions.
( )47. Science can help an inventor_.
A. sell the inventions at a high price
B. choose the best way to invent
C. choose the materials to make inventions
D. Both B and C.
( )48. Which of the following is true?
A. Few inventions have nothing to do with science.
B. Only science can help inventors invent.
C. Big established businesses are interested in inventions which customers want to buy.
D. It’s unnecessary to understand reading,writing,math,history and science.
( )49. The underlined word “profit” means .
A.獲益 B.想出 C.收獲 D•創(chuàng)造
( )50. What’s the main idea of this passage?
A. Everyone can invent some inventions.
B. We should have some other skills if we invent.
C. Understanding business is important for inventors.
D. How can we get credit from their inventions?
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( )19. —Sometimes many teenagers’ hobbies can get_schoolwork.
—That’s right. And parents might worry about their child’s success at school.
A. on the way B. in the way
C. in the way of D. on the way to
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