皮皮学，免费搜题
登录
搜题
【单选题】
所谓筛检就是（）
A.
对某一特定人群的健康状况进行全面检查评估
B.
在疾病暴发后，在人群中发现引起暴发的可能原因
C.
在表面健康的人群中发现可能的疾病患者
D.
在疾病流行时，对病例发病前所接触的人进行调查，以找出传染源
E.
在人群中查找疾病的致病原因
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】某项目建设期初的建安工程费和设备工器具购置费为1500万元，建设期2年，第2年计划投资40％，年价格上涨率为3％，则第2年的涨价预备费是（ ）万元。
A.
18.00
B.
36.54
C.
63.54
D.
636.54
查看完整题目与答案
【多选题】加工单元中的气动元件有( )。
A.
气动手爪
B.
双作用标准气缸
C.
薄型气缸
D.
单作用标准气缸
查看完整题目与答案
【单选题】I don't remember saying anything like that. You are purposely ______ my words to prove your point.
A.
contradicting
B.
revising
C.
distracting
D.
distorting
查看完整题目与答案
【单选题】I don't remember the name of the English teacher, ______ course I took last semester.
A.
which
B.
the
C.
that
D.
whose
查看完整题目与答案
【简答题】“You speak very good English” The other day I heard an American say to a Chinese student of English. “You 1 very good English.” But the student answered, “ No, my English is very poor.” The foreigner ...
查看完整题目与答案
【简答题】结合所讲内容并根据控制要求,完成YL-335B供料单元系统状态显示程序设计(单机模式)。 具体控制要求: 1 设备上电和气源接通后,若工作单元的两个气缸均处于缩回位置,且料仓内有足够的待加工工件,则“正常工作”指示灯HL1常亮,表示设备准备好。否则,该指示灯以1Hz 频率闪烁。 2 若设备准备好,按下启动按钮,工作单元启动,“设备运行”指示灯HL2常亮。启动后,若出料台上没有工件,则应把工件推到出...
查看完整题目与答案
【简答题】“You speak very good English” The other day I heard an American say to a Chinese student of English. “You 41 very good English.” But the student answered, “ No, my English is very poor.” The foreigner...
查看完整题目与答案
【简答题】Listen to the passsage and answer the following questions. 1. What’s the meaning of the phrase which the speaker often hears from students: “ I’m only a 1050 ” ? ______________________________________...
查看完整题目与答案
【简答题】根据对话内容， 选择恰当的句子补全下列对话。（每小题1分，共5分） (Miss Yu is giving a class. Suddenly some bottles drop out of a student’s desk.) T: What’s the noise there? S: Sorry, Miss Yu . 小题1: T: ( Walking over to take a look)...
查看完整题目与答案
【简答题】______(tell)you about it some time before，but I don't remember it now.
查看完整题目与答案
相关题目：
【单选题】某项目建设期初的建安工程费和设备工器具购置费为1500万元，建设期2年，第2年计划投资40％，年价格上涨率为3％，则第2年的涨价预备费是（ ）万元。
A.
18.00
B.
36.54
C.
63.54
D.
636.54
查看完整题目与答案
【多选题】加工单元中的气动元件有( )。
A.
气动手爪
B.
双作用标准气缸
C.
薄型气缸
D.
单作用标准气缸
查看完整题目与答案
【单选题】I don't remember saying anything like that. You are purposely ______ my words to prove your point.
A.
contradicting
B.
revising
C.
distracting
D.
distorting
查看完整题目与答案
【单选题】I don't remember the name of the English teacher, ______ course I took last semester.
A.
which
B.
the
C.
that
D.
whose
查看完整题目与答案
【简答题】“You speak very good English” The other day I heard an American say to a Chinese student of English. “You 1 very good English.” But the student answered, “ No, my English is very poor.” The foreigner ...
查看完整题目与答案
【简答题】结合所讲内容并根据控制要求,完成YL-335B供料单元系统状态显示程序设计(单机模式)。 具体控制要求: 1 设备上电和气源接通后,若工作单元的两个气缸均处于缩回位置,且料仓内有足够的待加工工件,则“正常工作”指示灯HL1常亮,表示设备准备好。否则,该指示灯以1Hz 频率闪烁。 2 若设备准备好,按下启动按钮,工作单元启动,“设备运行”指示灯HL2常亮。启动后,若出料台上没有工件,则应把工件推到出...
查看完整题目与答案
【简答题】“You speak very good English” The other day I heard an American say to a Chinese student of English. “You 41 very good English.” But the student answered, “ No, my English is very poor.” The foreigner...
查看完整题目与答案
【简答题】Listen to the passsage and answer the following questions. 1. What’s the meaning of the phrase which the speaker often hears from students: “ I’m only a 1050 ” ? ______________________________________...
查看完整题目与答案
【简答题】根据对话内容， 选择恰当的句子补全下列对话。（每小题1分，共5分） (Miss Yu is giving a class. Suddenly some bottles drop out of a student’s desk.) T: What’s the noise there? S: Sorry, Miss Yu . 小题1: T: ( Walking over to take a look)...
查看完整题目与答案
【简答题】______(tell)you about it some time before，but I don't remember it now.
查看完整题目与答案