DAC的输入数字量的位数越多，分辩能力越低。_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题判断题

DAC的输入数字量的位数越多，分辩能力越低。

答案

参考答案：错

完形填空

       I have(有) three friends.   1   are Kangkang, Maria and Fred. Kangkang is thirteen. Maria and
Fred   2   fourteen. Kangkang is from China. Maria and Fred are from the U.S.A. Maria is   3   China
now.   4   in Class 4, Grade 7. She and Kangkang are in the same class.   5   telephone number is
8267-6858. I like(喜欢) my friends.

( )1. A. He
( )2. A. am
( )3. A. in
( )4. A. He
( )5. A. She

B. They
B. is
B. from
B. He's
B. She's

C. These
C. are
C. to
C. She's
C. He

D. Those
D. be
D. /
D. She
D. Her

单项选择题

女性，14岁，2岁开始患有鼻出血、牙龈出血和皮肤瘀斑，此次月经初潮量多。检验：出血时间20分钟，阿司匹林耐量试验阳性，PLT120×10⁹/L，APTT比正常对照值延长13秒，FⅧ：C40%，患者最可能的诊断是（）

A.血管性血友病

B.血友病A

C.因子Ⅺ缺乏症

D.血友病B

E.遗传性毛细血管扩张症