science had its beginning when man started asking questions about his environment.asking能换成to ask
问题描述：
science had its beginning when man started asking questions about his environment.asking能换成to ask
答
这里完全可以。
答
可以。
start to do/ start doing
答
可以.
start to do 、start doing
一般可以互换,但也有区别.
A.一般可互换
只是用v-ing 形式时,动作稳定些,持久一些
B 下面3种情况一般用不定式,少用v-ing
1.主语是物
The water started to boil.
2.start 用于进行时态时
She is starting to do her homework.
3.后面的宾语为表示心理活动的词时（如:see,wonder,realize,puzzle,undersatand...)
I started to wonder why he was there.