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问题 单项选择题

微机硬件系统中最核心的部件是( )。

A) 内存储器
B) 输入输出设备
C) CPU
D) 硬盘

答案

参考答案：C

解析： CPU是微型机的核心部件，用以完成指令的解释和执行。

完形填空

How time flies! Three years have passed since I 小题1:(进入)the schoo1．As a Senior Three student，it won’t take long小题2:I graduate. High school is regarded as the golden time in aperson’s life．Now，I have much to share  小题3: my schoolmates．

Firstly，I’d like to show my appreciation to those s 小题4: by me all the way，teachers，parents and 小题5:  (朋友)included. Without their help and advice，my life would be different. 小题6:   ，it's high time to say sorry to classmates whom I hurt or misunderstoods . 小题7: (交际)and smiles act as bridges to friendship．More importantly，I’ve made up my mind to make every  effort to  study，for  I  believe  hard work  is the key to success． Just as the old saying g 小题8:  ，“No pains，no gains．”

Finally，I hope that every one of us can a 小题9:  his/her dream in the near future．I’ll attach

great significance to our friendship formed at school，and I'd like to keep in contact with you after graduation．Meanwhile，I suggest all the younger fellows make f 小题10: use of time，because time waits for no one．
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配伍题 B型题

某医院某年住院人中胃癌患者占5％，则5％是（）
某医院院内感染率为0.0034人／人日，则这个值是（）
环比（定基比）发展速度是（）
老年负担系数是（）

A.相对比指标

B.频率指标

C.强度指标

D.时间指标

E.绝对数指标
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