A.正确
B.错误
滚环复制在缺口(gap)上起始。假定聚合酶Ⅲ是复制酶,试讨论聚合酶Ⅲ在能够起始聚合作用之前必定发生的几件事。
Job segregation by sex in the United States was____.
A.justified by early textile mill owners
B.one means’for women to achieve greater job security
C.reluctantly challenged by employers
D.a constant source of labor unrest in the young textile industry
Historians of womens labor focused on factory work as a more promising area of research than service-sector work because factory work_____.A.involved the payment of higher wages
B.required skill in detailed tasks
C.was assumed to be less characterized by sex segregation
D.was more readily accepted by women than by men
It can be inferred trom the passage that early historians of women’s labor in the United States paid little attention to womens employment in the service sector of the economy because______ .A.fewer women found employment in the service sector than in factory work
B.the wages paid to workers in the service sector were much lower than those paid in the industrial sector.
C.womens employment in the service sector tended to be much more short-term than in factory work
D.employment in the service sector seemed to have much in common with the unpaid work associated with homemaking
The early mill owners____.A.hoped that by creating relatively unattractive female jobs they would discourage women from losing interest in marriage and family life
B.sought to keep womens wages low by intereasing the size of the available labor force
C.argued that women were inherently suited to do well in particular kinds of factory work
D.thought that factory work bettered the condition of women by emancipating them from dependence on income earned by men.
请帮忙给出每个问题的正确答案和分析,谢谢!
A.实际工资率小于均衡的实际工资率,就业减少
B.实际工资率高于均衡的实际工资率,就业减少
C.实际工资率小于均衡的实际工资率,就业增加
D.实际工资率高于均衡的实际工资率,就业增加