生态位分异。
参考答案:
对环境资源的不同利用使得不同物种同时存在于同一地方,这种现象称为生态位分异。
Once Einstein(爱因斯坦) travelled all over the United States and gave lectures(演讲) everywhere. He travelled by car and soon became friendly with the driver.
The driver a 小题1: listened to Einstein’s lecture. The lecture had been given again and again. One day, the driver told Einstein that he knew the lecture so w小题2: that he was s 小题3: he could give it himself. Einstein smiled and said “Why don’t you try to give it instead?” The driver a 小题4: .
That evening they b 小题5: came to the lecture room. N 小题6: there had been given seen Einstein before. Then the driver began the lecture. Sure enough, he didn’t make any mistakes. The lecture was well done. When it was over, the p 小题7: claps lasted for a long time. When they were leaving, the driver shook hands(握手) with everybody, while Einstein was following him quietly b 小题8: .
Just before they got to the door, a man s 小题9: them and asked the driver a difficult question. The driver listened c 小题10: and pointed to(指向)Einstein. “The question is so simple that even my driver can answer it. You can ask him.”
下列责任险险种中哪个险种不是依据预计营业收入计算保费的?()
A.产品责任保险
B.物流责任保险
C.物业管理责任保险
D.2004版雇主责任险