已知空气的单位体积质量是0.001239克∕厘米2,用科学记数法可以表示为( ) ∕厘米2。
纤溶酶原激活物包括()
A.Ⅻa、K、HMWK和Ⅸa
B.尿激酶型纤溶酶原激活物
C.链激酶(SK)
D.组织型纤溶酶原激活物
E.尿激酶(UK)
The graduate committee must be in full accord in their approval of a dissertation.
A. indecisive B. sullen C. vocal D. unanimous