题干

新航路开辟以前,人们所知道的世界,或者是地中海周围,或者是兖州东部和中部,或者是亚欧大陆及北非等等,总之,不出世界的某一局部。造成上述对世界认识局限的原因是

A:不同地区资源环境的差异

B:世界各地区处于隔绝闭塞状态

C:不同地区经济发展的差异

D:世界各地文化、价值观念的不同

上一题 下一题 0.0难度 选择题 更新时间:2020-04-06 01:44:41

答案(点此获取答案解析)

B

同类题4

阅读下面短文,掌握大意,然后从A、B、C、D四个选项中选出最佳选项。    I was feeling a little blue because my mother had lost her job.
    One day, while I was 1 on the street, I heard piano music and singing rising above the noise of the people. I walked more slowly to 2 where it was coming from. Then I saw a young lady sitting at a piano.
    She was singing songs about love, 3 yourself and keeping on trying. The way she was singing made me a little comfortable. I stood there 4, watching her playing on such a crowded New York square. I thought that she must be 5 enough to perform(表演) in front of so many people.
    She noticed me. I walked over and told her how good her 6sounded. "Thank you." she said.
    "I am going through a hard time, 7 you made me hopeful again." I said to her.
    "I'm glad that I could help," she answered. "Why are you so 8?"
    "Well, my mum lost her job, and I'm not so sure what to do……"
    "Did you notice the 9 you were walking? Your head was down." she said. "Don't be worry, because10comes in different ways and if your head is down, you might not see it. You should11 more …… lift(抬) your head up. "
    I looked 12 her, surprised at how she was encouraging(鼓励) me. "13 are you playing the piano here?" I asked her with a smile.
    She 14 that she saw a lot of unhappy people in the world and she tried to make 15 happy by playing music.
    I smiled a little wider, realizing that no difficulties could stop me from going on.