【多选题】高等植物的嫩叶首先出现缺绿症,可能是缺乏了下列元素中的 ( ) 。
【单选题】Wherever he traveled in those days, he always _______ down what he saw and heard.
【多选题】高等植物的嫩叶首先出现缺绿症,可能是缺乏了下列元素中的( )。
【多选题】高等植物的嫩叶首先出现缺绿症,可能是缺乏了下列元素中的
【简答题】棱锥的侧面都是( )形,圆锥的侧面展开图是( )形。
【简答题】圆锥的侧面展开图是( ),圆柱的侧面展开图是( )。
【单选题】高等植物的嫩叶先出现缺素症,可能是缺乏( )。
【简答题】已知圆锥的侧面展开图是直径为8cm的半圆,则这个圆锥的侧面积是 cm 2 .
【简答题】圆柱的侧面展开图是________;圆锥的侧面展开图是________.
【单选题】In those days, he would go to Mr. Black and his family, __________.
A.
where he was treated as part of them
C.
that was the most important part of his life
D.
with whom he had a wonderful time