相传乾隆皇帝把“天下第一泉”美名给了位于山东的哪个泉?
参考答案:
趵突泉
. Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
A.on
B.from
C.by
D.in
慢性肾衰竭患者的适宜热能供给量为()。
A.10~15kcal/(kg·D.
B.15~20kcal/(kg·D.
C.20~25kcal/(kg·D.
D.30~35kcal/(kg·D.
E.35~50kcal/(kg·D.