皮皮学,免费搜题
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搜题
【单选题】
关于骨软骨瘤说法正确的是
A.
好发于成人
B.
长骨多见
C.
疼痛明显
D.
治疗以刮除植骨为主
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【多选题】以下哪些是系统软件?
A.
操作系统
B.
语言翻译程序
C.
数据库管理系统
D.
WPS
【单选题】在关系数据库中,通过连接字段来体现和表达关系,其父表中的连接字段称为()
A.
外键
B.
内键
C.
候选键
D.
主键
【单选题】在关系数据库中,通过连接字段来体现和表达关系,其子表中的连接字段称为()
A.
外键
B.
内键
C.
候选键
D.
主键
【多选题】以下哪些是系统软件?
A.
操作系统
B.
MySql
C.
Chrome
D.
WPS Office
【简答题】The Independent Project The Independent Project was started by a high school student in the U.S. Different high schools across the U.S. now use the program. In it, every student learns to ( cook / do ...
【单选题】某城市环保主管部门需对废轮胎、废塑料和废矿物油等混合物焚烧运行状况,技术性能指标进行考核,按照国家相关焚烧技术指标,下列哪一项不是该类废物焚烧设备的技术考核指标?【2010-2-37】
A.
焚烧炉出口烟气中氧含量
B.
焚烧温度、烟气停留时间
C.
燃烧效率、焚烧残渣的热灼减率
D.
有机物焚烧去除率
【单选题】( )年5月5日,凝聚着国人梦想的国产C919大型客机首飞成功。
A.
2016
B.
2017
C.
2018
D.
2019
【单选题】It is hoped that the education reform in English Exam to the College_____ in Hunna Province next year will bring the ____ result to students.
A.
carried out, desiring
B.
carrying out, desired
C.
to be carried out, desiring
D.
being carried out, desiring
【简答题】write a program, using xcorr.m fuction to remove the noise, and plot 2、write a program, to get the amplitude and phase. s=4*sin(2*pi*50*t+pi/4)+rand(1,100); y=3*sin(2*pi*50*t), and show the result
【简答题】Grade Book A teacher has five students who have taken four tests. The teacher uses the following grading scale to assign a letter grade to a student, based on the average of his or her four test score...
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