更多"Students are working hard__________"的相关试题:
[填空题]For high school students, working more than 20 hours a week at a part-time job could be doing more harm than good, a new study suggests. These results (47) a number of recent studies that found no negative effects on students from working intensive hours, but researchers say that the (48) of their data, using advanced statistical measure, may account for this difference.
According to the study, students who worked more than 20 hours a week had lower (49) for educational attainment, lower school engagement, higher levels of substance abuse, and other problem behavior. However, these same students also showed more autonomous(自主) decision-making and had (50) higher grade point averages than teens without jobs.
Additionally, students who worked long hours still (51) negative outcomes up to a year after quitting or reducing hours; researchers advise that working long hours for a year or more of high school could have even
[单项选择]The students have been working hard on their lessons and their efforts（）success in the end.
A. rewarded
B. were rewarded
C. will reward
D. will be rewarded
[单项选择]—Each of the hard-working students ______ to go to college.
—So do we.
A. hope
B. hoping
C. hoped
D. hopes
[单项选择]在某个班级中，L同学比X同学个子矮，Y同学比L同学个子矮，但M同学比Y同学个子矮。所以，Y同学比J同学个子矮。
必须增加以下哪项陈述作前提，才能合逻辑地推出上述结论（）。
A. L同学比J同学个子高。
B. J同学比L同学个子高。
C. X同学比J同学个子高。
D. J同学比M同学个子高。
[单项选择]在纸层析法中，选择展开剂的原则是使Rf值落在（）。
A. 0.05＜Rf值＜0.85
B. Rf值＞0.05
C. Rf值＜0.85
D. Rf值＜1.0
E. 0.5＜Rf值＜1.0
[单项选择]在纸层析法中，选择展开剂的原则应该使Rf值落在什么范围（）
A. 0.05＜Rf值＜0.85
B. Rf值＜0.85
C. 0.5＜Rf值＜1.0
D. Rf值＞0.05
E. Rf值＜1.0
[单项选择]在S曲线比较法中，当实际进展点落在计划S曲线右侧表示（）。
A. 实际进度计算不准确
B. 实际进度与计划进度相同
C. 实际进度比计划进度落后
D. 实际进度比计划进度超前
[单项选择]心房和心室收缩在时间上不重叠，后者必定落在前者完毕后的原因是
A. 窦房结到心房距离近，而到心室距离远
B. 心房肌传导速度快，心室肌传导速度慢
C. 房室交界处传导速度慢而形成房一室延搁
D. 窦房结分别通过不同传导通路到达心房和
[单项选择]在血糖质控图中，有连续10个数据落在均值一侧者可判断为 （）
A. 系统误差
B. 随机误差
C. 偶然误差
D. 固有误差
E. 其他误差
