皮皮学，免费搜题
登录
搜题
【简答题】
目前，英国科学家提出一种观点，认为海绵这种没有大脑，甚至没有任何神经细胞，在地球生活了数亿年的动物在远古时代也曾经拥有神经细胞，但在随后的进化中放弃掉了。 如果以下各项为真，最能支持上述观点的是( ) A.海绵拥有打造神经系统所需要的基因，而对于海绵来说，无论是大脑还是简单的神经系统，都可能是“累赘”，是对能量的浪费 B.现在研究发现，拥有复杂神经系统的栉水母，其他所有动物的“姊妹群”，是动物祖先的最佳代表 C.已知年代最久远的拥有复杂大脑的动物出现时间远远早于海绵，它们拥有精密的类大脑结构，并拥有专门的神经网络 D.一些寄生虫与它们的近亲相比，就因为寄生这种生活方式失去了复杂的神经系统;而海绵与它们的近亲相比，生活方式类似于寄生
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
【简答题】A．The students needed off-campus job. B．The theater department needed more talented students. C．The opera company was looking for volunteers. D．The new dean thought it would provide good experience fo...
查看完整题目与答案
【单选题】Men needed more than simple direct exchange as ______.
A.
there were more and more goods the exchange rate of which couldn't be agreed on
B.
farmers were reluctant to provide their grain and meat
C.
marketplaces for simple exchange were insufficient
D.
simple exchange was banned by law
查看完整题目与答案
【简答题】刚出炉的饼坯如果立即暴露在低温环境中,内部产生的变形应力容易超过饼干的组织强度,因而就会产生( )现象。
查看完整题目与答案
【单选题】According to the passage more government assistance is needed for the Eskimos in ______.
A.
providing schools
B.
safeguarding their traditional means of livelihood
C.
encouraging agricultural production
D.
promoting industrial job possibilities
查看完整题目与答案
【简答题】What was the result of the battle between the negative publicity and the P&G Company?
查看完整题目与答案
【判断题】“代无意识立言” 其实是代个人理想立言。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the result of the 5 to 4 decision of the Supreme Court?
A.
It was in fact for the vote recount.
B.
It had nothing to do with the presidential election.
C.
It decided the fate of the winner.
D.
It was in essence against the vote recount.
查看完整题目与答案
【单选题】What was the result of Frank Dale‘s first steps ? 查看材料
A.
Mutual trust was established.
B.
Efficiency was improved.
C.
A task force was recruited.
D.
His promises were fulfilled.
查看完整题目与答案
【判断题】消息通常采取一事一报原则，常见的消息多为几百字，短消息只有百来字。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the result of the test?
A.
The shake lasted 1 50 seconds．
B.
The simulation was over 10 times as violent．
C.
The paint was cracked．
D.
The model remained undamaged．
查看完整题目与答案
相关题目：
【简答题】A．The students needed off-campus job. B．The theater department needed more talented students. C．The opera company was looking for volunteers. D．The new dean thought it would provide good experience fo...
查看完整题目与答案
【单选题】Men needed more than simple direct exchange as ______.
A.
there were more and more goods the exchange rate of which couldn't be agreed on
B.
farmers were reluctant to provide their grain and meat
C.
marketplaces for simple exchange were insufficient
D.
simple exchange was banned by law
查看完整题目与答案
【简答题】刚出炉的饼坯如果立即暴露在低温环境中,内部产生的变形应力容易超过饼干的组织强度,因而就会产生( )现象。
查看完整题目与答案
【单选题】According to the passage more government assistance is needed for the Eskimos in ______.
A.
providing schools
B.
safeguarding their traditional means of livelihood
C.
encouraging agricultural production
D.
promoting industrial job possibilities
查看完整题目与答案
【简答题】What was the result of the battle between the negative publicity and the P&G Company?
查看完整题目与答案
【判断题】“代无意识立言” 其实是代个人理想立言。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the result of the 5 to 4 decision of the Supreme Court?
A.
It was in fact for the vote recount.
B.
It had nothing to do with the presidential election.
C.
It decided the fate of the winner.
D.
It was in essence against the vote recount.
查看完整题目与答案
【单选题】What was the result of Frank Dale‘s first steps ? 查看材料
A.
Mutual trust was established.
B.
Efficiency was improved.
C.
A task force was recruited.
D.
His promises were fulfilled.
查看完整题目与答案
【判断题】消息通常采取一事一报原则，常见的消息多为几百字，短消息只有百来字。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the result of the test?
A.
The shake lasted 1 50 seconds．
B.
The simulation was over 10 times as violent．
C.
The paint was cracked．
D.
The model remained undamaged．
查看完整题目与答案