下列现象中,由于光的折射形成的是

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问题:

下列现象中,由于光的折射形成的是

考点:光的折射现象
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男孩,10岁,发现有腹部包块1个月。查体:右上腹包块,质软。超声显示右肾严重积水,肾皮质厚度0.4cm。静脉肾盂造影显示右肾及输尿管不显影,左肾、输尿管显影正常。经超声引导右肾盂造瘘及造影显示肾盂输尿管连接部狭窄,经右肾造瘘管引流尿量每天400ml,引流尿的比重为1.005~1.010。该病儿最合理的处理为()

A.右肾切除术

B.拔除肾造瘘管维持原状

C.右肾盂输尿管连接部成形术

D.永久性右肾盂造瘘术

E.右肾及输尿管全切除术

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下图漫画的场景最早可能出现在    (  )

A.第一次鸦片战争后

B.第二次鸦片战争后

C.中日甲午战争后

D.八国联军侵华战争后

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下列有关加酶洗衣粉的叙述,错误的是[ ]

A.温度影响加酶洗衣粉的洗涤效果

B.加酶洗衣粉中的酶都是固定化酶

C.与普通的洗衣粉相比,用加酶洗衣粉可以减少P对河流的污染

D.加酶洗衣粉中的纤维素酶不能直接去除污垢,但可以增强洗涤效果

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The teacher who did the most to encourage me was, as it happened, my aunt. She was Myrtle C. Manigault, the wife of my mother’s brother Bill. She taught in second grade at all-black Summer School in Camden, New Jersey.

During my childhood and youth, Aunt Myrtle encouraged me to develop every aspect of my potential, without regard for what was considered practical or possible for black females. I liked to sing; she listened to my voice and pronounced it good. I couldn’t dance; she taught me the basic dancing steps. She took me to the theatre ---- not just children’s theatre but adult comedies and dramas—and her faith that I could appreciate adult plays was not disappointed.

My aunt also took down books from her extensive library and shared them with me. I had books at home, but they were all serious classics. Even as a child I had a strong liking for humor, and I’ll never forget the joy of discovering Don Marquis’s Archy & Mehitabel through her.

Most important, perhaps, Aunt Myrtle provided my first opportunity to write for publication. A writer herself for one of the black newspapers, she suggested my name to the editor as a “youth columnist”. My column, begun when I was fourteen, was supposed to cover teenage social activities—and it did—but it also gave me the freedom to write on many other subjects as well as the habit of gathering material, the discipline of meeting deadlines, and, after graduation from college six years later, a solid collection of published material that carried my name and was my passport to a series of writing jobs.

Today Aunt Myrtle is still an enthusiastic supporter of her “favourite niece”. Like a diamond, she has reflected a bright, multifaceted (多面的) image of possibilities to every pupil who has crossed her path.

小题1:Which of the following did Aunt Myrtle do to the author during her childhood and youth?

A.She lent her some serious classics.

B.She cultivated her taste for music.

C.She discovered her talent for dancing.

D.She introduced her to adult plays.小题2:Aunt Myrtle recommended the author to a newspaper editor mainly to ______.

A.involve her in teenage social activities

B.give her a chance to collect material

C.develop her capabilities for writing

D.offer her a series of writing jobs小题3:We can conclude from the passage that Aunt Myrtle was a teacher who ______.

A.gave pupils confidence in exploiting their potential

B.trained pupils to be diligent and well-disciplined

C.emphasized what was practical or possible for pupils.

D.helped pupils overcome difficulties in learning

题型:选择题

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