A. experiment B. investigation C. observation D. discovery 相关知识点: 试题来源: 解析 B。A 选项“experiment”是实验;B 选项“investigation”是调查,科学调查的第一步是提出问题;C 选项“observation”是观察;D 选项“discovery”是发现。反馈 收藏 ...
The first step in scientific research is often ___. A. doing an experiment immediately B. having an idea or question C. writing a report D. showing off to others 相关知识点: 试题来源: 解析 B。科学研究的第一步通常是有一个想法或问题。选项 A“doing an experiment immediately”立即做实验...
百度试题 结果1 题目The first step of the scientific method involves: A. . Forming a hypothesis B. . Performing an experiment C. . Predicting the result of an experiment D. . Observation 相关知识点: 试题来源: 解析 D 反馈 收藏
Making a hypothesis C. Identifying the problem D. Analyzing results 相关知识点: 试题来源: 解析 C。本题考查科学实验的步骤。科学实验的第一步是确定问题,所以答案是 C。A 选项收集数据是在实验过程中进行的;B 选项提出假设是在确定问题之后;D 选项分析结果是实验的最后一步。反馈 收藏 ...
The first step in a scientific research project is to ___ a topic. A. choose B. select C. pick D. decide 相关知识点: 试题来源: 解析 B。“choose”强调从众多中挑选;“select”更正式,强调精心挑选;“pick”侧重于随意挑选;“decide”是决定,通常不是挑选的意思。在科研项目中,第一步通常是精心...
Form a hypothesis C. Analyze results D. Design the E. xperiment 相关知识点: 试题来源: 解析 B。本题考查科学实验的步骤。首先形成假设是科学实验的第一步,A 选项“收集数据”通常在实验过程中进行,C 选项“分析结果”是实验后期的工作,D 选项“设计实验”一般在形成假设之后。反馈 收藏 ...
结果1 题目In scientific research, what is the first step usually? A. Doing experiments. B. Making observations. C. Drawing conclusions. D. Making predictions. 相关知识点: 试题来源: 解析 B。在科学研究中,通常第一步是进行观察。反馈 收藏 ...
解析 B。解析:在大多数科学研究(research)中,第一步是提出一个问题。data(数据)是研究过程中的一部分,不是首先要做的事情,所以A错误。theory(理论)是研究之后形成的一种解释体系,不是开始的步骤,所以C错误。technology(技术)是研究过程中可能用到的手段,不是起始步骤,所以D错误。反馈 收藏 ...
It is desired that from this work, new more economical means of predicting and also enhancing propellant performance can be developed.This paper presents the results of the completion of the first step within this program. A brief discussion of the latter steps is mentioned with respect to their...
The text said that the first step in the scientific method is to ___. A. make a conclusion B. conduct an experiment C. ask a question D. analyze the data 相关知识点: 试题来源: 解析 C。文中表明科学方法的第一步是提出问题,C 选项符合文中所讲。反馈 ...