问题 单项选择题 A1/A2型题

琼脂印膜材料的凝固原理为()。

A.离子交换变化

B.物理温度变化

C.化学变化

D.物理压力变化

E.聚合变化

答案

参考答案:B

简答题

魏东和丽丽两名八年级学生辍学了。经调查,他们的理由分别是:学生丽丽,其父母认为孩子是女孩,与其上学花钱,不如趁早打工挣钱;学生魏东,父母双亡,生活相当困难。

(1)从公民权利的角度简要评析学生丽丽父母的做法。

                                                                                                                                                              

(2)请你结合生活实际,提出解决的办法,使其重返校园。 

                                                                                                                                                               

                                                                                                                                                                

                                                                                                                                                                 

                                                                                                                                                                

单项选择题