下图是某高等动物种群增长曲线,对其理解合理的是
A:图中0~a段是种内斗争限制了种群增长
B:图中a~b段,幼年个体明显多于老年个体
C:该种群增长率越来越大
D:如果该物种是海洋经济鱼类,适当捕捞应使种群数量降至a点以下
用所学知识进行推理并作出判断是重要的学习方法之一,下列判断正确的是( )
以上文字出自《西游记》,这位大仙是____(名字),他惩治唐僧师徒四人是因为____。
We go shopping on Sunday. My father likes fruits very much. We buy some bananas and red apples at the fruit shop. My mother likes to wear new clothes. She buys a new sweater and a new skirt at the clothes shop. I buy three books at the book shop. At last(最后),we buy some tea for my grandfather in a tea shop.