—I seldom agree with my manager's words.
—In order to succeed here, you should overcome your ________ against your manager( )
A:preference
B:comprehension
C:appeal
D:prejudice
①∠A=2∠BFC﹣180°;②DE﹣BD=CE;③△ADE的周长等于AB与AC的和;④BF>CF.
其中正确的有( )
为了使儿子健康成长,一位母亲对其提出了合理膳食的要求,其中不科学的是( )