问题
单项选择题
关于骨与软骨的共同特征哪项错误？（）
A、细胞间质有基质、纤维
B、都能以内积生长的方式生长
C、细胞位于陷窝内
D、软骨膜与骨外膜由致密结缔组织构成
E、软骨细胞、骨细胞均来源于骨原细胞
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
关于骨与软骨的共同特征哪项错误？（）
A、细胞间质有基质、纤维
B、都能以内积生长的方式生长
C、细胞位于陷窝内
D、软骨膜与骨外膜由致密结缔组织构成
E、软骨细胞、骨细胞均来源于骨原细胞
参考答案：B
When I had something ______ to do, I used to ask my mother for help. But she always _____ ，“ Do it yourself, dear.”I was not ______at all. I thought she was the _____ mother in the world! For example, one day, I decided to _____ some friends to my home. My bedroom was not in order(乱). Books were everywhere. And I didn’t make the bed. I ask my _____ to help me clean it, but she still said，“ Do it _____, girl.” _______ my “lazy mother”, I have to wash my clothes and clean my room. I have to help my parents____. I even have to go to the dentist(牙医) by ____. It is really _____for me to do everything well, but I have learnt _____. As time goes by, I ______ my mother. She makes me clever and diligent(勤奋)._____ a great mother! A(An) _______mother is worth one hundred teachers! Don’t you think so?
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