下列有关“鸡卵结构”的描述正确的一项是[ ] A．卵壳、卵壳膜、卵白、卵黄、卵细
题型：选择题
问题：
下列有关“鸡卵结构”的描述正确的一项是[ ]
A．卵壳、卵壳膜、卵白、卵黄、卵细胞
B．卵壳、气室、系带、卵黄膜、卵黄、胚盘
C．卵壳、卵壳膜、气室、卵白、卵黄、胚盘
D．卵壳、卵壳膜、气室、系带、卵白、卵细胞
题型：选择题
22．________he is, he seldom shows his inventions to others.
A．Inventor as
B．As an inventor
C．Being an inventor as
D．Inventor although