单项选择题
学前儿童行动过程中,体现学前儿童意志发展的最主要指标是()。
A.有意性B.目的性C.计划性D.坚持性
单项选择题 完全胃肠外营养是指( ) A.通过静脉输入全部营养 B.从胃管内补其不足 C.少量口服 D.补充要素膳 E.添加匀浆液
多项选择题 “三北”防护林体系中“三北”是指()。
单项选择题 As we have only moderate means at hand, the tie-up of funds for ______ three to four months indeed presents a problem to us. A.as soon as B.as far as C.as long as D.as well as