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【单选题】

Fill in each of the 15 blanks in the passage with the most likely answer.
Prehistoric people are human beings who lived before writing was invented about 5,500 years ago. Writing 1 people to record information they wished to save, 2 descriptions of s in their lives. 3 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 4 ancient, sharp-edged stone tools and fossilized (已变成化石的) bones of prehistoric people. 5 scientists collected more fossils of prehistoric people, they began to form a clearer 6 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 7 humans had evolved—that is, modified their physical structure over time. Scientists developed a set of ideas about human origins 8 the theory of human evolution. This theory states that as the 9 of the prehistoric world changed, our prehistoric ancestors went 10 a series of changes that resulted in the first human beings. They, 11 , evolved into modern human beings. Evidence of prehistoric people is 12 and difficult to find. Scientists must 13 their theory on this extremely limited evidence. As a result, scientists cannot 14 present a detailed picture of early human life. 15 , new discoveries sometimes disprove theories that scientists already hold. Fill in each of the 15 blanks in the passage with the most likely answer.

A.
made up of
B.
consisted of
C.
made up with
D.
consisted in
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参考答案:
举一反三

【单选题】越古老的地层里出现的化石()

A.
越复杂、越高等
B.
越简单、越高等
C.
越复杂、越低等
D.
越简单、越低等

【单选题】下列有关化石的说法正确的是()

A.
通过化石的研究,可揭示不同地质历史时期生物界的概貌
B.
琥珀不是化石
C.
化石的形成和保存不需要任何条件
D.
不可能形成木化石

【多选题】扑救液化石油气火灾应注意的主要问题有()。

A.
受理火警时,要问清火灾发生的具体情况
B.
选择正确停车位置
C.
在警戒区域内最大限度地减少人员数量
D.
加强火场情况的监护,防止发生二次爆炸
E.
灭火后要彻底清查火场,消除危险因素,防止再次发生火灾
相关题目:
【单选题】越古老的地层里出现的化石()
A.
越复杂、越高等
B.
越简单、越高等
C.
越复杂、越低等
D.
越简单、越低等
【单选题】下列有关化石的说法正确的是()
A.
通过化石的研究,可揭示不同地质历史时期生物界的概貌
B.
琥珀不是化石
C.
化石的形成和保存不需要任何条件
D.
不可能形成木化石
【多选题】扑救液化石油气火灾应注意的主要问题有()。
A.
受理火警时,要问清火灾发生的具体情况
B.
选择正确停车位置
C.
在警戒区域内最大限度地减少人员数量
D.
加强火场情况的监护,防止发生二次爆炸
E.
灭火后要彻底清查火场,消除危险因素,防止再次发生火灾
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