如图,MN是平面镜,S是一个点光源,P是空间中的一点,请在图中画出由点光源S发出 发布时间:2017-05-17 14:40 │ 来源:www.tikuol.com 题型:问答题 问题: 如图,MN是平面镜,S是一个点光源,P是空间中的一点,请在图中画出由点光源S发出的能过P点的所有光线.
题型:问答题 按要求改写句子。1. Sometimes you're supposed to come early. (改为否定句) Sometimes you _______ _______ supposed to come early. 2. Tom visits his grandparents once a week. (对划线部分提问) _______ _______ does Tom visits his grandparents? 3. My pen pal is from America. (用Japan 改为选择疑问句) Is your pen pal is from America _______ _______? 查看答案
题型:问答题 病历摘要:患者男性,38岁因进行性四肢无力3天入院。以下问诊哪一项不合适? ()A.排尿、排便情况B.是否有发热C.症状是否波动,是否有晨轻暮重现象D.进食呛咳E.是否出现呼吸困难F.一周前曾有"上感"病史G.饱餐后睡眠中发病H.是否有情绪激动 查看答案