在面向对象方法中,类之间共享属性和操作的机制称为 【12】 。

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问题:

在面向对象方法中,类之间共享属性和操作的机制称为 【12】

考点:计算机等级考试JAVA二级JAVA笔试
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裂解炉的“三率”不包括()。

A.三烯、三苯收率

B.转化率

C.热效率

D.开工率

题型:填空题
补全对话。
A. Is it big or small?
B. Yes. I've just lost my bag.
C. Well, it's made of artificial leather and very light.
D. What's the color of it?
E. By the way, it's got a string and a zipper on top.

C: What can I do for you, Madam?
A: __1__ I'd like to know if anyone has found it and handed it in.
C: __2__
A: There's a design of flowers in pink against a light blue background.
C: __3__
A:  It's of medium size, about fifteen inches long,  five inches wide and ten inches high. __4__
C:  Is the string long and thin?
A:  No, it's short and thick.
C: What's your bag made of? Teacher?
A: __5__  In fact there's nothing in it, because it's a newly bought one.
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口服制剂配料用水是()。

A.注射用水

B.饮用水

C.纯化水

D.灭菌注射用水

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在流感流行季节前接种流感疫苗可减少患流感的机会或减轻流感的症状。哪几类人应该在医生指导下接种()。

A.老年人

B.体弱多病者

C.儿童

D.中年人

题型:填空题

肝癌阳性显像可以用哪种显像剂()

A.99mTc-RC

B.99mTc-(Ⅴ)-DMSA

C. 99mTc-RBC

D.99mTc-EHIDA

E.99mTc-硫胶体

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