大学职业搜题刷题APP
下载APP
首页
课程
题库模板
Word题库模板
Excel题库模板
PDF题库模板
医考护考模板
答案在末尾模板
答案分章节末尾模板
题库创建教程
创建题库
登录
logo - 刷刷题
创建自己的小题库
搜索
【单选题】

What can dogs see The answer to this question is disappointing; dogs (67) see no colors. The answer is disappointing (68) many owners of dogs will naturally be sorry that their dogs cannot see colors which to them are beautiful. But then, they may (69) that clogs have an extraordinary (70) sense of smell. The dog’s world is (71) in enjoyable smells, (72) it may be colorless.
How do we know if dogs are color-blind This has been tested in the same way (73) it has been discovered what dogs can hear. The (74) has been made to train dogs to salivate (流口水) when they are shown (75) different colors. Such experiments have (76) failures; it has been found impossible to make dogs (77) colors from one another (78) signals for their dinner. This question requires further (79) with other techniques, but so far as the available scientific evidence (80) , dogs seem to be color-blind.
Monkeys, on the other hand, are able to distinguish colors. They have been trained successfully to (81) their meal to a cupboard, the door of (82) was painted in a certain color, and to (83) other available cupboards with differently colored doors, (84) which there was no food. (85) monkeys and apes, (86) , most mammals seem to be color-blind. Even bulls have been shown not to see red as a color.

A.
even if
B.
while
C.
due to
D.
because
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
收藏 - 刷刷题收藏
举报
参考答案:
举一反三

【单选题】看见杨梅就流口水,是一种( )

A.
无条件反射
B.
操作条件反射
C.
内脏操作条件反射
D.
示范作用
E.
经典条件反射

【单选题】婴儿爱流口水的原因是( )

A.
看到美味食物起条件反射
B.
婴儿口腔浅,又加上不会及时吞咽口水
C.
肚子饿,想吃食物
D.
婴儿新陈代谢旺盛,唾液腺分泌的唾液较多

【单选题】吃酸梅流口水是( )。

A.
属于第二信号系统的活动
B.
无条件反射
C.
条件反射
D.
属于第一信号系统的活动

【单选题】吃酸梅流口水是()。

A.
属于第二信号系统的活动;
B.
无条件反射;
C.
条件反射;
D.
属于第一信号系统的活动

【单选题】对婴儿流口水有良效的穴位是()。

A.
四横纹
B.
小横纹
C.
掌小横纹
D.
肾纹
E.
以上均非

【单选题】A Minor Microsurgery Last year, Sean Martinovich, from Whitianga, had life-saving surgery when a golf-sized tumor was removed from his brain stem. But the operation left haft his face paralysed . He ...

A.
Scan Martinovich couldn"t run around with the other boys in the playground now.
B.
Hopefully, Scan Martinovich can smile over the next three months.
C.
Sean"s patents, Steve and Wendy Martinovich don"t believe the technology will restore the cheeky smile.
D.
For Doctor Bartlett the microsurgery is just a minor and easy case.
相关题目:
【单选题】看见杨梅就流口水,是一种( )
A.
无条件反射
B.
操作条件反射
C.
内脏操作条件反射
D.
示范作用
E.
经典条件反射
【单选题】婴儿爱流口水的原因是( )
A.
看到美味食物起条件反射
B.
婴儿口腔浅,又加上不会及时吞咽口水
C.
肚子饿,想吃食物
D.
婴儿新陈代谢旺盛,唾液腺分泌的唾液较多
【单选题】吃酸梅流口水是( )。
A.
属于第二信号系统的活动
B.
无条件反射
C.
条件反射
D.
属于第一信号系统的活动
【单选题】吃酸梅流口水是()。
A.
属于第二信号系统的活动;
B.
无条件反射;
C.
条件反射;
D.
属于第一信号系统的活动
【单选题】对婴儿流口水有良效的穴位是()。
A.
四横纹
B.
小横纹
C.
掌小横纹
D.
肾纹
E.
以上均非
【单选题】A Minor Microsurgery Last year, Sean Martinovich, from Whitianga, had life-saving surgery when a golf-sized tumor was removed from his brain stem. But the operation left haft his face paralysed . He ...
A.
Scan Martinovich couldn"t run around with the other boys in the playground now.
B.
Hopefully, Scan Martinovich can smile over the next three months.
C.
Sean"s patents, Steve and Wendy Martinovich don"t believe the technology will restore the cheeky smile.
D.
For Doctor Bartlett the microsurgery is just a minor and easy case.
刷刷题-刷题-导入试题 - 刷刷题
参考解析:
AI解析
重新生成
题目纠错 0
发布
刷刷题-刷题-导入试题 - 刷刷题刷刷题-刷题-导入试题 - 刷刷题刷刷题-刷题-导入试题 - 刷刷题
刷刷题-刷题-导入试题 - 刷刷题
刷刷题-刷题-导入试题 - 刷刷题
刷刷题-单词鸭