Speak louder, please! I can ____ hear you.
A:easily
B:hardly
C:usually
人体中某蛋白质的有2条肽链,198个肽键,则形成该蛋白质的氨基酸分子个数及它们相互缩合过程中生成的水分子个数分别是
下列对有关主题知识的归纳完全正确的一组是 ( )