从键盘输入 a,b,c三条边的值,判断其是否能构成三角形,若能构成三角形,计算三角形的面积(输出结果宽10列,且保留小数点后3位小数,输出结果若小于10列则空格),若不能构成三角形则输出“This is a not triangle! ” (测试数据:1输入a=3,b=4,c=5,输出area= _____ 6.000(5空格) 2输入a=1,b=2,c=3,输出This is not a triangle! )
【简答题】Who does the author say tend to identify themselves with the characters in s? [A] age girls. [B] Older women. [C] Men in their 20s. [D] Men 50 and older.
【单选题】Students of United States history, seeking to identify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigated the mid-nineteenth-century American economic ...
A.
Study influential economic and social conditions.
B.
Identify the origin of feminist movements.
C.
Fully analyze the development of feminist ideas.
D.
Realize the international origins of the 19th century American feminist thought.