皮皮学，免费搜题
登录
搜题
【单选题】
With regard to the evolution of language, which of the following statements is TRUE?
A.
The origin of language can be traced back to the early man's imitation of noises made by animals.
B.
Meaningless cries preceded the origin of language.
C.
In the process of evolution, language is mainly non-informative.
D.
Originally, language is the indistinguishable forms of cries.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】通常链霉菌可通过以下方式进行繁殖
A.
出芽繁殖
B.
分生孢子
C.
孢囊孢子
D.
芽孢
查看完整题目与答案
【简答题】Do you know why different animals or pests (昆虫) have their special colors? Colors in them can protect (保护) them. Some birds like eating locusts (蝗虫), but birds can’t easily catch them. Why? It’s becau...
查看完整题目与答案
【单选题】通常 链 霉 菌 可 通 过 以 下 方 式 进 行 繁 殖
A.
出芽繁殖
B.
分生孢子
C.
孢囊孢子
D.
芽孢子
查看完整题目与答案
【单选题】（）能够给学生广泛的学习空间和充分的动手操作机会，但是学生从中获得的知识缺乏系统性和连贯性，而具有很大的偶然性和随机性
A.
学科课程
B.
活动课程
C.
综合课程
D.
潜在课程
查看完整题目与答案
【单选题】The passage is mainly about______．
A.
why animals can learn
B.
why man is different from animals
C.
why animals cannot speak
D.
why man has a big brain
查看完整题目与答案
【单选题】According to this passage, why the farming activities can affect the animals ?
A.
By forcing them farming.
B.
By affecting the quality of soils.
C.
By adding chemicals and pollute the waterways.
D.
By affecting the environments they live in.
查看完整题目与答案
【单选题】Why can human beings outlast many faster four legged animals when running long distances? Perhaps because early humans evolved as hunters on the hot African savannas. Humans developed the ability to r...
A.
early humans typically hunted animals that were less well adapted than humans for long-distance running.
B.
early humans were only one of a number of species that hunted prey on the African savannas.
C.
early humans hunted mainly in groups by sneaking up on prey and trapping it within a circle.
D.
hunting was just as essential for later humans in colder climates as it was for early humans on the African savannas.
E.
human beings of today have retained the ability to run long distances but no longer hunt by chasing prey.
查看完整题目与答案
【单选题】According to this passage, why the farming activities can affect the animals?
A.
By fuming them farming.
B.
By affecting the quality of soil.
C.
By adding chemicals and polluting the waterways.
D.
By affecting the environments they live in.
查看完整题目与答案
【单选题】Why is it easy to avoid meeting animals according to the man?
A.
Because he can run very fast.
B.
Because they are shy.
C.
Because he has a gun.
D.
Because they seldom come over.
查看完整题目与答案
【单选题】下列没有体现“以史为鉴”的诗句是( )
A.
十年生死两茫茫，不思量自难忘
B.
究天人之际，通古今之变
C.
以铜为鉴，可正衣冠；以古为鉴，可知兴替
D.
欲知大道，必先为史；灭人之国，必先去其史
查看完整题目与答案
相关题目：
【单选题】通常链霉菌可通过以下方式进行繁殖
A.
出芽繁殖
B.
分生孢子
C.
孢囊孢子
D.
芽孢
查看完整题目与答案
【简答题】Do you know why different animals or pests (昆虫) have their special colors? Colors in them can protect (保护) them. Some birds like eating locusts (蝗虫), but birds can’t easily catch them. Why? It’s becau...
查看完整题目与答案
【单选题】通常 链 霉 菌 可 通 过 以 下 方 式 进 行 繁 殖
A.
出芽繁殖
B.
分生孢子
C.
孢囊孢子
D.
芽孢子
查看完整题目与答案
【单选题】（）能够给学生广泛的学习空间和充分的动手操作机会，但是学生从中获得的知识缺乏系统性和连贯性，而具有很大的偶然性和随机性
A.
学科课程
B.
活动课程
C.
综合课程
D.
潜在课程
查看完整题目与答案
【单选题】The passage is mainly about______．
A.
why animals can learn
B.
why man is different from animals
C.
why animals cannot speak
D.
why man has a big brain
查看完整题目与答案
【单选题】According to this passage, why the farming activities can affect the animals ?
A.
By forcing them farming.
B.
By affecting the quality of soils.
C.
By adding chemicals and pollute the waterways.
D.
By affecting the environments they live in.
查看完整题目与答案
【单选题】Why can human beings outlast many faster four legged animals when running long distances? Perhaps because early humans evolved as hunters on the hot African savannas. Humans developed the ability to r...
A.
early humans typically hunted animals that were less well adapted than humans for long-distance running.
B.
early humans were only one of a number of species that hunted prey on the African savannas.
C.
early humans hunted mainly in groups by sneaking up on prey and trapping it within a circle.
D.
hunting was just as essential for later humans in colder climates as it was for early humans on the African savannas.
E.
human beings of today have retained the ability to run long distances but no longer hunt by chasing prey.
查看完整题目与答案
【单选题】According to this passage, why the farming activities can affect the animals?
A.
By fuming them farming.
B.
By affecting the quality of soil.
C.
By adding chemicals and polluting the waterways.
D.
By affecting the environments they live in.
查看完整题目与答案
【单选题】Why is it easy to avoid meeting animals according to the man?
A.
Because he can run very fast.
B.
Because they are shy.
C.
Because he has a gun.
D.
Because they seldom come over.
查看完整题目与答案
【单选题】下列没有体现“以史为鉴”的诗句是( )
A.
十年生死两茫茫，不思量自难忘
B.
究天人之际，通古今之变
C.
以铜为鉴，可正衣冠；以古为鉴，可知兴替
D.
欲知大道，必先为史；灭人之国，必先去其史
查看完整题目与答案