李老师在班级设立了“生日祝福墙每当有学生过生日时同学纷纷在祝福墙上留下祝福的话语，还互赠自制卡片。李老师的做法()
A. 不恰当，会加重学生负担
B. 不恰当，会助长物质攀比之风
C. 恰当，能让学生感受温暖
D. 恰当，能让学生提高消费意识
She can hardly avoid making mistakes in her homework, ______hard she tries.
A. for
B. as
C. how
D. however
Everyone was tired, so Bill got up and made a motion that the remaining problems ______until next meeting.
A. be not discussed
B. not be discussed
C. are not to be discussed
D. would not be discussed
依据《宪法》规定，行使解释宪法职权的是()
A. 最高人民法院
B. 全国人民代表大会常务委员会
C. 最高人民检察院
D. 中国人民政治协商会议
微信支付 
支付宝支付