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一
The umbrella is a very common object. It keeps the 51 and the sun off the people. Most umbrellas can be folded up[折叠] so it is 52 to carry them.
However,the umbrella has not always been as 53 as it is now. In the past,it was a symbol of importance.Some African countries still use umbrellas in this 54 .Someone carries an umbrella and walks behind the king or important person.
Umbrellas are very old.People in different parts of the world began to 55 umbrellas at different times. The Chinese had them more than 3,000 years ago. From there,umbrellas 56 to India and Egypt. In Greece and Rome, 57 wouldnt use them. They believed umbrellas were only for women.
England was 58 the first country in Europe where common people used umbrellas against rain.The weather there is very 59 and umbrellas are very useful.
Everybody uses umbrellas today. The next time you 60 one, thinking that for centuries only great men and women used them, youll feel you are important people,too.[来源:学|科|网Z|X|X|K]
51.A.rain B.could C.air D.water
52.A.lovely B.cheap C.hard D.easy
53.A.light B.heavy C.common D.special
54.A.way B.size C.reason D.place
55.A.discover B.use C. examine D. discuss
56.A.walked B.travelled C.rode D.flew
57.A.children B.parents C.men D. women
58.A.probably B. already C.suddenly D. immediately
59.A.sunny B. rainy C.snowy D. windy
60.A.sell B. return C.borrow D.carry
二
A science teacher wants to show some idea to his students. He takes a large-mouth bottle and 61 several large stones in it. He then asks the class,Is the bottle full now? They all reply,Yes!
The teacher then takes some small rocks and puts them into the 62 .The small rocks go into the 63 between the big rocks. He then asks,Is it full? This time some students give no answer,but most reply,Yes!
The teacher then starts to drop some sand into the bottle.The sand 64 the spaces
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