【单选题】A survey was carried out on the sleep time of students in middle schools, ______ were surprising.
【单选题】下列关于湿空气湿球温度的说法中正确的是:
【单选题】A survey was carried out on cheating in examinations in college all over the country, ________ were surprising.
【判断题】蕨类植物既属于颈卵器植物又属于维管植物。
【判断题】蕨类植物既属于颈卵器植物,又属于维管植物。
【单选题】A survey was carried out on the default rate of the assembly line, ____ were surprising
【简答题】A survey was carried out on the death rate of ?A survey was carried out on the death rate of new-born babies in that region, ________ were surprising. A) as results B) which results C) th...