分类学家们将地球上生物所有的生物按大小和从属关系可排列成（ ）等分类单位．
A：种、属、科、目、纲、门、界
B：门、界、纲、目、科、属、种
C：界、门、纲、目、科、属、种
D：界、门、纲、科、目、属、种
— ______ people travel every year?
— Perhaps when we are talking about it, more than 100 planes have taken off around the world.
I have _________ in the morning.
先把课文《太阳是大家的》补充完整，再模仿着写一写。
一天中太阳做了很多好事：她把金光往鲜花上洒，__________________；她陪着小朋友在海边戏水，____________……
