问题
单项选择题
下列生态学分支，不是按研究方法分类的是( )。
A．系统生态学
B．数学生态学
C．农业生态学
D．地理生态学
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
下列生态学分支，不是按研究方法分类的是( )。
A．系统生态学
B．数学生态学
C．农业生态学
D．地理生态学
参考答案：C
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| At one of the school in London, the students can go into town in the afternoon. But they must 1 to the school before six. One afternoon, Bob went to see a film. When he came back to the school, the school gate had already been closed. He went around the building to 2 door. That one was closed, too. Then he saw an open window on the 3 floor. It was the 4 office, Bob looked 5 the room, but no one was in. He quickly 6 into the room. Just then he heard a voice. Bob looked round and hid (躲藏) himself 7 a chair. Then the head teacher came in and sat down on the chair. He read a book for an hour. At last the head teacher stood up and went towards the door. "Thank goodness, he didn't 8 me." Bob thought 9 he left the room, the head teacher spoke to the chair, "Would you please 10 the lights when you leave?" | ||||
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