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【单选题】
P1DIR寄存器的作用是()A.
P1口功能选择
B.
P1口方向选择
C.
P1口上拉电阻选择
D.
以上都不是
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【简答题】social mobility
【单选题】What does the former Labour MP mean by saying 'social mobility created falters as well as risers' in Paragraph Four?
A.
Social mobility was a 'two-way street' and 'a zero-sum game'.
B.
All students from comprehensive school can reach the Oxford by hard work.
C.
School dropouts always work with lower payments.
D.
Social mobility was a mirror to constant efforts from different people.
【单选题】What is this passage mainly concerned?
A.
Education fund needs social mobility.
B.
Education needs new policy and reform.
C.
Children pay more premiums in schools, so there are difficulties in their lives.
D.
Children were recruited from disadvantaged backgrounds, so they are very poor.
【单选题】A _____ is a less rigid form of social stratification in which social mobility is possible.
A.
caste system
B.
normative system
C.
religious system
D.
class system
【简答题】Social mobility is the extent to which _____________ can move out of the strata into which they are born.
【单选题】What is strongly correlated with social mobility according to economist Raj Cherty? 查看材料
A.
Family structure．
B.
Racial equality．
C.
School education．
D.
Community density．
【单选题】What might be the best title for this passage?
A.
Social Upward Mobility.
B.
Incredible Income Gains.
C.
Inequality in Wealth.
D.
America. Not Land of Opportunity.
【简答题】土方工程是填筑工程施工的首项工程,主要包括___、___和___等施工,有时还要进行___、____和____等准备工作。
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