If you want to buy an expensive camera, we have several models for you ________.
A:to be chosen
B:to choose
C:to choose from
D:for choosing
根据提示补写名句或填写课文原句。
如图表示某种高等生物(含2对染色体)的几个正在分裂的细胞示意图,据图回答:
青春和年迈不在于年龄的大小,而在于心境。