根据始祖鸟身体结构跟爬行类、鸟类动物都有相同之处，经逻辑推理_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

根据始祖鸟身体结构跟爬行类、鸟类动物都有相同之处，经逻辑推理可得出如下结论 [ ]

A．爬行类进化成鸟类

B．鸟类进化成爬行类

C．爬行类与鸟类有亲缘关系

D．生命起源于无机物

答案

答案：A

填空题

选词填空。用所给词的适当形式填空

Kate she like near teacher

Look at the bedroom. It’s ___小题1:______. A computer is ___小题2:____ the window. The computer is very new. You can see some flowers in the room. They are very nice. There are some books on the desk. Kate often does her homework in the room. ___小题3:____ father and mother are ____小题4:______.Her mother teaches Chinese and her father teaches English. Kate has a brother. His name is Jack. He isn’t a student. He is only 7 years old. Kate ___小题5:____ her family very much.

单项选择题

苷类化合物的结构中非糖部分称为

A．配糖体

B．苷元

C．端基碳原子

D．苷键

E．糖