分生孢子
参考答案:
一种不动的无菌丝细胞可以转变为一个分生孢子。
After living there for one year, they have _________there.
A.accustomed to working
B.accustomed to work
C.been accustomed to working
D.been accustomed to work
红细胞的内环境是指()
A.细胞内液
B.细胞外液
C.细胞内液和细胞外液
D.组织液
E.血浆