选择题:()Some students are enthusiastic for positions in

题目内容:
()Some students are enthusiastic for positions in student organizations probably because ______.(本题3.0分)
A、 they hate the constant pressure and strain of their study
B、 they will then be able to stay longer in the university
C、 such positions may help them get better jobs
D、 such positions are usually well paid
参考答案:

若要求在if后一对圆括号中表示a不等于0的关系,则能正确表示这一关系的表达式为____(本题2.0分

若要求在if后一对圆括号中表示a不等于0的关系,则能正确表示这一关系的表达式为____(本题2.0分)A、 a0 B、 !aC、 a=0D、 a

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社会保险是指保障工薪劳动者的基本生活不因出现各种风险而无法维持。如:养劳保险、医疗保险、失业保险等。

社会保险是指保障工薪劳动者的基本生活不因出现各种风险而无法维持。如:养劳保险、医疗保险、失业保险等。( )选择一项:对错

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