在2—3个月时,当婴幼儿注意的物体从视野中消失时,他(她)能用眼睛去寻找,这表明婴幼儿已有了长时记忆
1、正确错误
暂无解析
In1900,theUnitedStatesrankedfirstintheworldintheproductionof________.
严复翻译的《天演论》,其原文的题目是()
Fishis________andexpensiveatthistimeoftheyearinthisarea.
AtrendthatoccursatthesametimewiththemovementtotheSouthandtheWeastoftheUnitedStatesis________.
Whichofthefollowingispartiallyconverted?