皮皮学，免费搜题
登录
搜题
【单选题】
八位二进制数能表示十进制数的最大值是：A.
225
B.
248
C.
192
D.
255
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】求该周期信号cos(10t)-cos(30t) 的周期().A. π/5 B. π C.2π D.4π
【单选题】----He was nearly drowned once ． ---- When was ______? -----_____ was in 2000 _____he was in middle school ．
A.
that; It ; when
B.
this ;This; that
C.
that; This; when
D.
that; It ; that
【单选题】So seriously _____ in the accident that he was sent to hospital at once.
A.
he was wounded
B.
was he hurt
C.
he did injure
D.
did he hurt
【单选题】--- He’s never late for school, _____ he? ---_______________, but once he asked for a sick leave（病假）.
A.
has；No
B.
has; Yes
C.
is; Yes
D.
is, No
【单选题】周期信号cos(10t)-cos(30t)和ej30t的周期T分别为____和____.
A.
pi/10;pi/5
B.
pi/5;pi/10
C.
pi/5;pi/5
D.
pi/5;pi/15
【多选题】患者,男,34岁,足底被绣钉刺伤后8天,出现全身肌肉强直性收缩和阵发性痉挛1天,诊断为破伤风。对于破伤风患者的处理原则以下说法正确的是
A.
将病人安置于单人隔离病室，保持安静，遮光
B.
避免各类干扰，医护人员说话、走路要低声、轻语
C.
使用器具时避免发出噪音
D.
治疗、护理等各项操作尽量集中，避免刺激病人引起抽搐
E.
拉开窗帘，让阳光照进病房
【简答题】He once worked in a company, ______ he went abroad for further study. A. from which B. after that C. after which D. from this
【简答题】A．Once he wanted to leave without his pants on. B．Once he forgot his wedding and went fishing. C．Once he forgot his lover and married another woman. D．He forgot that he had already man4ed another woma...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
