A:扩大需求
B:增加税收
C:抑制消费
D:减少财政支出
He is a _____ boy, so he can't go to the park by himself.
读《鱼,我所欲也》,“非独贤者有是心也,人皆有之,贤者能勿丧耳。”中的“是心”是指____
判断:水痘病毒侵入人体后,淋巴细胞产生抗体,抗体消灭抗原后,体内不再存在抗体。( )