题干

下列关于穆罕默德·阿里改革的说法最准确的一项是

A:维护了奴隶主贵族的利益

B:促进了埃及的统一和振兴

C:改变了埃及的社会性质

D:遏制了资本主义的发展

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答案(点此获取答案解析)

B

同类题2

课外阅读。

发明家的“老师”

      可以这样说,遍及海、陆、空的千姿百态的生物,都是发明家的“老师”。

从前,有几个船员在北冰洋遇见一条漂浮的小鲸,他们便开船赶去。哪知这条鲸的鳍起了发动机的作用,船员没有追上。船员受此启发,给船装上了“船鳍”,使船航行得更快。后来,又有了仿照鱼类呼吸的原理,制成了“人工鳃”,使潜水员潜入深海。

海豚可以赶超容易船舰或潜艇,这是因为海豚具有流线形体态。它那独特的双层弹性皮肤,成了优良的消振器,能消除湍流的阻力。据试验,用人工仿造的海豚皮做成的鱼雷,航速提高近一倍。

      南极的企鹅平蹒跚而行,但遇到紧急情况,它能以三四千米的时速,在雪地上急驰如飞。原来,企鹅会匍匐在地,蹬起双脚,好像滑雪者。在它的启示下,人们设计出雪地越野汽车。这种无论汽车,用宽阔的底部贴在雪地行驶,时速可达五十千米。

      发明家模仿袋鼠跳跃前进的方法,制成了“跳跃型汽车”。这种新型汽车无需道路,在沼泽、丘陵、草地或沙漠都可通行无阻。

响尾蛇的眼下方有一薄膜,它能在黑夜感知远处动物散发的体温,从而准确地袭击猎物。人们受到响尾蛇的启示,研制出热敏元件,将它装配在导弹里,当作热定位器,就能弹无虚发。

      人们参照蝙蝠在黑夜超声定位的原理,发明了“声纳”,进而制成了盲人探路器。

同类题4

阅读理解

    I have a friend named Monty Roberts who owns a horse ranch(牧马场). The last time I was there he told me his story. When he was young, his family was too poor to have a house to live in.As a result , when he was in high school, all the students were asked to write a paper about what they wanted to be and do when they grew up. That night he wrote a seven-page paper describing his goal of owning a horse ranch. He also drew a picture to show a 4,000-square-foot house that would sit on a beautiful farm. The next day he handed it in to his teacher. Two days later he received his paper back. On the front page was a large red F. Roberts asked, “Why did I receive an F?” He teacher said, “This is an unrealistic dream for a young boy like you. Owning a horse ranch requires a lot of money.” Then the teacher added, “If you will rewrite this paper with a more realistic goal, I will reconsider your grade.”

    The boy went home and thought about it for a long and hard time. He asked his father what he should do. His father said, “ Look, son, you have to make up your own mind on this. However, I think it is a very important decision for you.”Finally, after sitting with it for a week, the boy turned in the same paper, making no changes at all. He told his teacher “you could keep the F and I still keep my dream”.

    He tells me this story because I am sitting in his 4,000-square-foot house in the middle of the 200-acre horse ranch. “I still have that school paper now.” He added, “The best part of the story is that two years ago that  teacher brought 30 kids to camp out on my ranch for a week.” When the teacher was leaving, he said, Look, Monty, I can tell you this now. When I was your teacher, I was something of a dream stealer.During those years I stole a lot of kids' dreams. Luckily, you had enough gumption not to give up on yours. .”