内容正文:
大题预测05 完形填空
(建议用时:100分钟 满分:150分)
Directions: For each blank in the following passage, there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.
1.【2023学年上海市南洋中学高三上学期10月考试】
Mice are at their best at night. But a new analysis suggests researchers often test the nightly creatures during the day, which could alter results and create ____21____ across various studies, if they record time-of-day information ____22____. Scientists assume that waking up lab mice in the daytime may twist research.
Of the 200 papers examined in the new study, more than half cither failed to report the timing of behavioral testing or did so ____23____. On the contrary, they found only 20 percent reported ____24____ testing. The analysis was published in Neuroscience & Bio-behavioral Reviews.
West Virginia University neuro-scientist Randy Nelson, the study's lead author, says this is likely a matter of human ____25____. “It is easier to get students and schools to work during the day than at night,” Nelson says. But that advantage ____26____.
“Time of day not only impacts the intensity of many ____27____, including mice activity, aggressiveness of their behavior, and hormone levels,” but changes in those factors can only be ____28____ during certain parts of the daytime cycle, says University of Wyoming behavioral neuro-scientist William D. Todd. This means that “failing to report time of day of data collection and tests makes ____29____ of results extremely difficult,” adds Beth Israel Deaconess Medical Center staff scientist Natalia Machado. Neither Todd nor Machado was involved in the new study.
____30____, the study researchers say it is critical that scientists report the timing of their work and consider the fact that animals' behavioral and physiological responses can ____31____ with the hour. As a first step, Nelson says, “obviously, taking time-of-day into consideration seems like ____32____ fruit in terms of l