【单选题】What kind of difficulties do the sole mothers come across in the labor market?
A.
They will not be offered the opportunity of promotion.
B.
The bosses have a prejudice against them.
C.
They are usually lower paid.
D.
Their jobs are usually not permanent.
【单选题】用动态规划算法解决最大字段和问题,其时间复杂性为()
【单选题】用动态规划算法解决最大字段和问题,其时间复杂性为( )。
【单选题】抹灰用的石灰膏常温熟化期应至少 ≥ ( )天。
【判断题】需要猎捕国家一级保护野生动物的,应向国务院野生动物保护主管部门申请特许捕猎证。( )
【判断题】阅读教学是学生、教师、文本之间对话的过程。