[填空题]More than five-thousand secondary school students ________________________________ (因为考试作弊而被学校开除).

[填空题]More than five-thousand secondary school students ________________________________ (因为考试作弊而被学校开除).

[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

[简答题]Male students emit more heat than female students, and the larger a student, the more heat he produces. (passage 3)

[填空题]When secondary school students are doing seatwork, teachers usually answer questions or sit at their own desks and ______.