何种口腔不良习惯可在4~6岁以后渐减少而自行消失() A.吮指习惯 B.舌习惯 C. 发布时间:2017-08-07 03:30 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 何种口腔不良习惯可在4~6岁以后渐减少而自行消失()A.吮指习惯B.舌习惯C.唇习惯D.咬指习惯E.睡眠习惯
题型:单项选择题 A1/A2型题 选词填空,用方框中词的适当形式填空。like, between, they, but, answer, or, be, why, girl, subject Do the boys and girls have the same favorite 1 ? The 2 is "No" . There are many differences 3 boys and girls at school. As we know, sometimes we say boys 4 math and girls like English. That’s right. Many boys like P.E. And 5 like science and math. Many 6 like Chinese and English, 7 science and math are not their favorite subjects. Girls usually don't like math 8 science. 9 don't girls and boys have the same favorite subjects? We don’t know what the reason 10 is. Do you know? 查看答案
题型:单项选择题 A1/A2型题 赤道上的地磁场可以看成沿南北方向的匀强磁场,磁感应强度的大小是0.50x 10-4T。如果赤道上有一根沿东西方向的直导线,长为10 m,载有从东到西的电流20A。地磁场对这根这根导线的作用力有多大?方向如何? 查看答案
题型:单项选择题 A1/A2型题 患儿,男,3个月,生后2周始出现反复呕吐、腹泻,无发热。足月顺产,出生体重3kg。体检:体重3.2kg,营养不良貌,皮肤干燥,眼窝凹陷,心、肺听诊未闻及异常,腹软,肝、脾肋下未及,肌张力稍低,阴囊色泽较深。大便常规:黄稀便,无红、白细胞首选支持诊断的实验室检查为检查血液()A.睾酮B.17-羟孕酮C.ACTHD.皮质醇E.孕酮 查看答案