工商所内机要文件、资料必须实行专人保管,登记造册。
参考答案:对
Lily will succeed______ your property after your death, but I don’t think she is _______ success.
A.in ; /
B.at; a
C.to ; a
D.from; a
基因工程抗体比杂交瘤单克隆抗体的优点关键在于 ()
A.纯度高
B.产量多
C.容易获得
D.非异源性
E.应用广泛