Q4[20pt]: A study was conducted to test whether taking Vitamin C tablets can speed up the recovery from a common cold then the regular mean recovery time of seven days. Ten volunteers were recruited and received Vitamin C tablets. Their ...
The study was conducted to___. A. solve a practical problem B. advance theoretical knowledge C. compare different approaches D. evaluate a new method 相关知识点: 试题来源: 解析 B。文本表明研究是为了推进理论知识,选项 A 解决实际问题、选项 C 比较不同方法和选项 D 评估一种新方法在文中未被...
22 An experiment was conducted to test the properties of a chemical G on the photosynthetic capabilities of a unicellular agar, Chlorella. An illuminated suspension of the alg a was treated with carbon dioxide labelled with 14 C in the presence of an unknown chemical G. The light was switched...
A study was conducted to examine the spatial variability of new snow density across an elevational gradient on the windward side of a mountain. It was hypothesized that the density of new snowfall would decrease with an increase in elevation. Furthermore, it was hypothesized that select ...
aThis study was conducted in order to test the RBV hypotheses that the value and rareness of a rm’s resource-capability combinations contribute to its competitive advantage 这研究进行为了检验rm的资源能力组合价值和希罕对它的竞争优势贡献的RBV假设 [translate] ...
aIn addition to imparting a fruity floral character, esters can diminish or mask the sharpness of unpleasant free amino acid-derived notes. 除给予一个水果的花卉字符之外,酯类可能减少或掩没令人不快的自由氨基酸获得的笔记的锋利。[translate] aA study was conducted to ensure that a minimal computer (...
解析 A。考查一般过去时的被动语态。主语“the experiment”与“conduct”是被动关系,时间是过去,所以用“was conducted”。B 选项“conducted”是主动语态;C 选项“conducts”是一般现在时的主动语态;D 选项“is conducted”是一般现在时的被动语态,与时间不符。
A. prove a scientific theory B. solve a practical problem C. discover a new phenomenon D. test a hypothesis 相关知识点: 试题来源: 解析 D。文章中提到实验是为了验证一个假设,A 选项证明一个科学理论不准确,B 选项解决实际问题文中未体现,C 选项发现新现象不是实验目的。反馈...
A study was conducted to determine the efficacy of detecting low contamination levels of Salmonella in peanut butter using the 1-2 Test. This study was conducted under the AOAC Research Institute Emergency Response Validation program. A set of samples was analyzed by the 1-2 Test and the U.S...
帮忙修改下(英文)The survey was conducted by means of a questionnaire given to the students to complete.There were 13 questions with 9 close questions and 4 open questions.The first three general questions concerned that through what medium,you get to kno