相关考题
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多项选择题
人力资源和社会保障行政机关当场处以警告或罚款处罚的，应当按照下列程序进行：（）
A.口头告知当事人违法行为的基本事实、拟作出的行政处罚、依据及其依法享有的权利
B.听取当事人的陈述和申辩
C.填写预定格式的处罚决定书
D.当场处罚决定书应当由行政执法人员签名或者盖章 -
单项选择题
Which is tree according to the passage?（）
A．It is regulated that the customers must pay a tip if they want to get good service.
B．There exists the tipping custom in each country.
C．In some countries, tipping has become an industry.
D．More and more people are in favor of tipping. -
问答题
Al和Ag都具有面心立方结构，Al的原子半径为0．143nm。Ag的原子半径为0．144nm。试问：A1在Ag中能否形成无限固溶体？为什么？
