Jane looked carefully at ______ in the mirror before going outside.
A:her
B:him
C:herself
D:himself
有两颗花生和种子,其中一颗已长芽,如图所示,两棵花生各取下一片子叶,分别滴入一滴碘酒,一会儿,未长芽的花生子叶变蓝,已长芽的花生子叶没有变化,根据这个实验,对已长芽的花生,能得出的结论是( )
用一块长12米、宽8米的长方形铁皮剪成半径是1.5米的小圆(不能剪拼),至多能做( )个.