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问题 多项选择题

下列物权中属于担保物权的有( )。

A．典权

B．抵押权

C．留置权

D．地役权

答案

参考答案：B,C

解析： 担保物权是与用益物权相对应的他物权，指的是为确保债权实现而设定的，以直接取得或支配特定财产的交换价值为内容的权利。我国《物权法》上的担保物权包括抵押权、质押权和留置权。选项A、D属于用益物权。

选择题

将15.6 g Na2O2和5.4 g Al同时放入一定量的水中，充分反应后得到200 mL溶液，再向该溶液中缓慢通入标准状况下的HCl气体6.72 L，若反应过程中溶液的体积保持不变，则[ ]

A．反应过程中得到6.72 L的气体(标况)

B．最终得到的溶液中c(Na+)＝c(Cl-)＋c(OH-)

C．最终得到7.8 g的沉淀

D．最终得到的溶液中c(NaCl)＝0.15 mol/L

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I am honored to be here today, (1) Harvard at this celebration of the College Board’s half century of working to promote (2) and equal opportunity in higher education.
Before I say anything else, I want to thank everyone in the room for the work you do every day to make college (3) , available, and (4) for millions of young people across the country.
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This has been an (8) in higher education, with great and creative efforts made by many institutions. Earlier this year, we announced a new (9) at Harvard aimed at the students from families of low and (10) income. Under our new program, families with incomes of (11) will no longer be expected to contribute to the cost of attending Harvard for their children. Families with incomes of less than $ 60,000 will also see their (12) reduced.
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