— I wss fifteen years old, I got a new bike from my father.
—You are so lucky. My father gave me at my age of fifteen.
A：If; anything
B：When; anything
C：When; nothing
D：If; nothing
对下列加线词归类正确的一项是( )
①宋人有悯其苗之不长而揠之者 ②返归取之
③其子趋而往视之 ④舟已行矣，而剑不行。
已知函数fx=Inx-x-122.
下面全部能用儿化音读的一组是（ ）。
A. She went cycling in the nature park.
B. Three years ago.
C. Yes, there were.
D. No, there wasn't.
E. There was a small house many years ago.
下列微粒中，质子数少于核外电子数的是（ ）
