最能减少输血的并发症且无传染疾病危险的是 A．输新鲜血 B．输新鲜冰冻血浆 C．输浓

判断下面关于分页系统的页面大小的说法是否正确：

通常，影响磁盘访问时间的主要因素不在于页面的大小，所以使用时可优先考虑大的页面。

阅读下面对话，掌握其大意，并根据所给字母的提示，在标有题号的右边横线上写出一个英语单词的完整、正确形式，使对话通顺。

J =" John      " R = Robert

J:  I hear that an important meeting is to be ( 76 ) h       in our    76.           

city. What’s it about?

R:  It’s said that its (77) g       is to make clean drinking         77.         

water available to all.

J:   Who do you know will (78) t        part in the meeting?      78.       

R:   Representatives from more than 80 countries, as is

(79) r       on TV.                                        79.      

J:   Could you tell me (80) m       ?                         80.        

R:   Sure! Three things will be (81) d         at the meeting       81.        

—ways of making good use of water, (82) r       water      82.         

pollution and saving water.

J:   That’s good news for people in this area. As you may know,

there are too (83) m       factories around here, which let     83.        

out plenty of poisonous gas and polluted water. So we eagerly

hope that strong (84) m        will be taken to stop the        84.       

water pollution.

R:   I quite agree with you. Let’s hope for the day to come as

soon as (85) p        .                                 85.        

下列关于意志说法错误的是

A．随意运动是意志行动的基础

B．克服困难是意志行动的核心

C．目的是意志行动的前提

D．意志是绝对自由的

E．意志是自觉地确定目的

真指甲指甲油正确的涂抹顺序是（）

A.指甲油－亮油－底油－亮油

B.底油－指甲油－亮油

C.指甲油－亮油

IBM PC/AT机采用2个8259A级联，CPU的可屏蔽硬中断可扩展为( )。

A．64级

B．32级

C．16级

D．15级