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【单选题】
抑制磷酸二酯酶III,提高细胞内CAMP 含量,增加心肌细胞浓度的药物是内Ca2+浓度的药物是
A.
地高辛
B.
C.
卡维地洛
D.
硝普钠
E.
多巴酚丁胺
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举一反三
【判断题】个体工商户以外的个人只能成为小规模纳税人()
A.
正确
B.
错误
【单选题】51单片机的中断有两个优先级级别,各中断源的优先级用( )设定。
A.
TCON
B.
PCON
C.
IE
D.
IP
【判断题】(Four Choices for Young People) Few unspoiled places remain in our world where the escapists can practice plain-living and high thinking.()
A.
正确
B.
错误
【简答题】Quite a few young people nowadays have the habit of listening to background music while doing their homework.
【单选题】下列各项中,与自然选择无关的是
A.
鲫鱼的背部是深灰色、腹部是乳白色
B.
螳螂的体色与周围环境色彩十分相似
C.
一窝小猫的体色有黑色、白色和黄色
D.
草原上野兔的保护色和鹰锐利的目光
【单选题】检索工具中在文献来源项的著录中,期刊名称的一般缩写是
A.
A
B.
J
C.
M
D.
R
【简答题】某市电力公司为鼓励居民节约用电,采用分段计费的方法计算电费,每月用电不超过50度时,按每度0.58元计费;每月用电超过50度时,其中的50度仍按原标准收费,超过部分按每度0.98元计费. (1)设月用电x度时,应交电费y元.当x≤50和x>50时,分别写出y关于x的函数关系式; (2)下表是小敏家第一季度用电和交费的部分信息: 月份 一月份 二月份 三月份 合计 用电数(度) 108 交费金额(元...
【单选题】A few years ago it was common to speak of a generation gap between young people and their elders. Parents said that children did not respect and listen to them, while children said that their parents ...
A.
the problem of the generation gap draws much attention from people
B.
it is out of date to talk about the generation gap
C.
children and parents are trying to understand each other
D.
it is very important for people to talk with each other often
【单选题】单片机有两个优先级别。各中断源的优先级别设定是利用寄存器( )。
A.
IE
B.
IP
C.
TCON
D.
SCON
【单选题】(以下4题共用题干)聂女士,26岁,G1P0,孕38周临产,因头盆不称拟行剖宫产术。术后的护理措施中,哪项不合适
A.
术后24-48小时可拔出导尿管
B.
保持外阴清洁,擦洗外阴2次/d
C.
待产妇肠道通气后指导母乳喂养
D.
剖宫产术后应避孕2年再孕
E.
术后产褥期内禁止性生活
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