What can be inferred from Para. 2?
A．There is a universal agreement on the safety level for the amount of Vitamin D intake.
B．Few researches on the amount of Vitamin D intake have been carried out.
C．Vitamin D belongs to the category of hormone.
D．Vitamin D is only useful for retaining the bone.

未分类题Which of the following descriptions about the amount of Vitamin D intake is true?A．The upper limit of Vitamin D intake for adults is 400 lUs.B．It is dangerous for adults to take 2,000 lUs Vitamin D daily.C．An overdose of Vitamin D does not necessarily result in diseases.D．For people under 50, it is safe to take 200 lUs Vitamin D daily.

判断题施工图预算一般由设计单位编制。()

未分类题The drug companies are willing to pay leading doctors toA．manipulate medical education sessions.B．improve the individual health-care service.C．have personal contact with physicians.D．help promote the drugs they produce.

判断题若公司相信外部借款所产生的利润增值可以弥补利息费用，那么由该借款引起的财务杠杆升高就是有价值的。()

未分类题It can be inferred from the passage that ______.A．war is one of the main causes of PTSDB．extinction therapy involves moral issuesC．Gogolla often writes for the journal ScienceD．fearful memories will recover spontaneously

判断题预算定额由企业编制。()

未分类题The statement 'College can be tough' is used to introduce______.A．the severity of mental illnesses at collegeB．the fierce competition of earning scholarshipsC．the feeble relations between teachers and studentsD．the anxiety of coping with all kinds of examinations

判断题产品成本报表是反映企业在报告期内生产的全部产品的总成本以及各种可比产品的单位成本和总成本的报表。()

未分类题It can be inferred that Meryl Streep ______.A．must have made greater contribution than Mother TeresaB．must be the most distinguished guest invited by Yale UniversityC．must be a well-known personality in the show businessD．must be a shy person so that people seldom see her

未分类题It can be inferred from Para. 4 that______.A．all universities in America have offered online counseling servicesB．parents play a vital role in solving students' mental-health problemsC．University of Minnesota took the initiative to give lectures on mental healthD．Philadelphia University used a calendar as the reminder of diagnostic quizzes

判断题《十三经注疏》本中，《诗经》注疏包括的五家的注解。()

未分类题Implementing the IOM guidelines can be boon if______.A．it does not reduce the residents' educational opportunitiesB．it brings benefits to both the doctors and the patientsC．it has the effect of reducing the rate of medical errorsD．medical errors are made less expensive than they are now

判断题投资风险收益其实就是资金的时间价值。()

未分类题The IOM report proposed that ______.A．only experienced physicians should work longer hoursB．the length of residents' work shifts should be reducedC．the current 80-hour workweek should be cut to 30 hoursD．doctors dizzy with fatigue should stop working at once

判断题词义引申的趋势：1)从一般到个别。如“江”从专称长江引申为泛指河流。2)从具体到抽象。如“道”由道路引申为途径、方法。()