'Who are the visitors?''They are all______ I think. '
A．mathematics student
B．mathematics students
C．mathematics' students
D．student of the mathematics

未分类题What can we learn from the passage?A．People can hardly get Vitamin D from daily diet.B．Heavy use of sunscreen can promote the Vitamin D production by the body.C．The Vitamin D density is strengthened in milk and bread.D．The standard amount of Vitamin D intake keeps no change for kids and adolescents.

未分类题You cant imagine______.A．what did we have awful weatherB．what weather awful did we haveC．what awful weather we did haveD．what awful weather had we

判断题财务费是指财务人员发生的费用。()

未分类题Peter used to live in London, ______?A．usedn't heB．wasn't heC．didn't he useD．didn't he use to

判断题材料费中包括材料的二次搬运费。()

未分类题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