题目内容

南方河姆渡社会经济文化各方面比北方发达，但始终是彼此隔离的封闭性小区域文化。()

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重现神创造世界时的情景是神话的意义。()

道口上“公告牌”设置在何处？

至少在战国时期，中国画的基本样式已经确立起来了。()

Animals perform. many useful entertaining jobs. Dogs are particularly
valuable in guiding the blind, protecting property, finding losing 【M1】
people, and hunting criminals. Horses are used in guarding herds, carrying
men in lands that there are no roads, and helping farmers work their 【M2】
land. Pigeons have long used to carry messages. Wild animals from the 【M3】
jungles, forests and seas are very popular performers in circuses and moving
pictures. People realized that, although animals may not have same 【M4】
intelligence as human beings, they are enough smart to learn certain things. 【M5】
The first thing a dog taught is to obey. It should not take too long for 【M6】
him to learn commands. Simple orders, such as "sit, lie down, stay there,
come here," can even be taught by a child.
Training a dog to be a watchdog often produces unexpected results.
Soma dogs quickly learn the differences between unwanted people from 【M7】
friends. This is because their masters welcome friends and invites them
into their house. However, some dogs will always attack the postman who
goes to deliver letters. One explanation for this behaviour is that, 【M8】
the postman comes to the house often, he never enters the house. Therefore, 【M9】
the dog thinks the postman is someone who is not wanted,
but keeps to come back anyway. 【M10】
【M1】