A:25.12平方米
B:12.56平方米
C:6.28平方米
D:12.56米
Please read every sentence _______. The more _______ you are, the fewer mistakes you'll make.
How many spoons are there?
人类皮肤正常由显性基因(A)控制,白化病由隐性基因(a)控制,根据右图回答问题: