考查对象之间的不同与相同之处在方法学上属于()。
A.比较
B.演绎
C.类比
D.反证
E.试探
参考答案:A
A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working
man.
A.can’t, can
B.may not, can
C.can’t, must
D.may not, must
甲状腺的结构和功能特点如何?