题干

如图所示,把由同种玻璃制成的正方体玻璃砖A和半球形玻璃砖B放在报纸上,若正方体的边长和半球的半径相同,则从正上方沿图中虚线(中心线)方向往下看中心线对准的文字(     )

A:A和B中看到的都比实际的高

B:A中看到的比实际的高,B中看到的比实际的低

C:A中看到的比实际的高,B中看到的与实际的一样高

D:A和B中看到的都与实际一样高

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答案(点此获取答案解析)

C

同类题4

阅读下面短文,掌握其大意,然后从各题所给出的A、B、C和D项中,故答案选出最佳选项。

    When I was a young boy, my family was very poor. I would often help do something for the neighbors to 1 a little pocket money.

    One day I 2 on the door of an elderly woman and asked 3 she needed me to clean the yard. She asked why I was not in 4 and I showed her my worn 5, which no longer kept me warm. She 6 me to work in the yard. When I finished, she looked at me and said, “I suppose you want to be 7 now.” She then 8 a jar filled with dollar bills and said, “I'm glad you've done a 9 job today but that is not something you should be doing again. I want you to 10 new clothes and get back to school. I also want you to come back to 11 me with your report card and I will 12 you when I see you have worked hard and have some good 13. Now reach out your little hands and take out as much 14 as you can.”

    I put my hands in the jar and 15 so much money that it was 16 for me to buy what I badly needed. Later, I returned several times to see the woman and she did just as she 17. She looked at my report card and gave me a handful of dollars and some delicious food every time I 18 her that I had an “A”.

    I was twelve years old when I moved from that neighborhood. I will never forget the huge 19 this wonderful lady made over my life with her 20. This is something I hope to do myself in this lifetime over and over again.