. It was in this house ________ he heard 发布时间:2017-06-04 16:26 │ 来源:www.tikuol.com 题型:选择题 问题: . It was in this house ________ he heard some strange sounds.A.thatB.whereC.whichD.who
题型:选择题 有关婴幼儿消化系统的特点不包括()A.3~4个月时,唾液中淀粉酶才能逐渐增加B.肠黏膜通透性强C.胃贲门括约肌弱,而幽门部肌肉较紧张D.恒牙萌出E.发生肠套叠、肠扭转的机会比成人高 查看答案