A. To prove a theory is always right B. To collect data and test hypotheses C. To make things look interesting D. To waste time 相关知识点: 试题来源: 解析 B。解析:科学实验的目的是收集数据并检验假设。A 选项说证明一个理论总是正确的,这是不准确的,科学是不断发展的;C 选项让事情看起来...
A. To be ignored. B. To show the effect of the independent variable. C. To prove the hypothesis wrong. D. To make the E. xperiment more complicated. 相关知识点: 试题来源: 解析 B。解析:对照组的目的是显示自变量的影响。选项 A 不对,对照组不是被忽略的;选项 C 错误,对照组不是为了证明...
What is sound scientific knowledge? What is convergent validity in research? What type of research is a case study? What are some weaknesses of quantitative research? What makes an experiment reliable? What does a petrologist study? What does a paleoanthropologist study?
Choose a topic that allows for original analysis or an exciting approach. Tip:Test your topicby discussing it with your instructor or peers to ensure it’s feasible and interesting. Stage 3: Searching for Sources Research is at the heart of any good paper. To gather reliable sources, follow...
Yet, a high level of expertise per se does not necessarily render a scientific source qualified to propose reliable claims. For example, a trained and highly accomplished expert in physics may be able to propose reliable claims related to the domain of physics, but they are hardly qualified to...
experiment在这里是名词,意思是实验。并列连词and,在这里是和的意思,表示并列递进关系。所以,该空格应该填名词,observe是动词,有"观察"的意思。observe去掉e, 再加上ation, 就是它的名词形式,即observation。在这里的意思是观察。observation可以作为可数名词,比如说:多次的观察。也可以作为不可数名词,比如表示下面这些...
In a scientific experiment, after identifying a problem, what should be done next? A. Draw a conclusion B. Make an observation C. Form a hypothesis D. Analyze the data 相关知识点: 试题来源: 解析 C。解析:在识别问题之后,下一步应该是形成假设。选项 A 得出结论是在实验后期;选项 B 进行观察...
Water boarding is an interrogation technique that simulates drowning, causing intense psychological distress and a gag reflex in the subject, making them believe they are about to die. Despite its use in training CIA members and Navy SEALs, many consider water boarding ineffective for reliable intel...
This paper puts forward a new formulation of the experimentalist challenge to the method of cases. Unlike previous attempts to articulate the challenge, th
For a scientific experiment, we need to measure the length. What is the tool for measuring length? A. ruler B. clock C. lamp D. eraser 相关知识点: 试题来源: 解析 A。做实验测量长度用 ruler(尺子);clock(时钟)是看时间的;lamp(灯)是照明的;eraser(橡皮)是擦除错误的。 反馈 收藏 ...