UC知道高手帮我做一下题目吧
来源：百度知道 编辑：UC知道 时间：2024/05/10 14:21:04
Prehistoric people are human beings who lived before writing was invented about 5,500 years ago. Writing 26 people to record information they wished to save,27 descriptions of events in their lives.28 this way, the invention of writing marked the beginning of history. The period before human beings learned to write is called prehistory.
Scientists first discovered evidence of prehistoric people in the mid-1800’s .Most of this evidence 29 ancient, sharp-edged stone tools and fossilized （已变成化石的）bones of prehistoric people.
30 scientists collected more fossils of prehistoric people, they began to form a clearer 31 of what these early people looked like. For example, scientists learned that early human beings had smaller brains than most modern men and women have. This evidence indicated 32 humans had evolved-that is, modified their physical structure over time. Scientists developed a set of ideas about human origins 33 the theory of human evolution. This theory states that as th
Scientists first discovered evidence of prehistoric people in the mid-1800’s .Most of this evidence 29 ancient, sharp-edged stone tools and fossilized （已变成化石的）bones of prehistoric people.
30 scientists collected more fossils of prehistoric people, they began to form a clearer 31 of what these early people looked like. For example, scientists learned that early human beings had smaller brains than most modern men and women have. This evidence indicated 32 humans had evolved-that is, modified their physical structure over time. Scientists developed a set of ideas about human origins 33 the theory of human evolution. This theory states that as th
C D A D C B D A B C C A B C B
C D A B C
D B C D B
C A B C A
自己做的；本来向来完型填空不强~~呵呵
26。C
27。D
28。B
29。B
30。B
31。B
32。C
33。A
34。D
35。C
36。A
37。A
38。B
39。A
40。D
这也是我自己的答案，你参考一下吧！