小儿体重在1岁至10岁时每年增长约()。 A.1kg B.2kg C.3kg D.4 发布时间:2017-08-05 22:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 小儿体重在1岁至10岁时每年增长约()。A.1kgB.2kgC.3kgD.4kgE.5kg
题型:单项选择题 John ______ in his room when he heard screaming.A.is studyingB.studiedC.was studyingD.has studied 查看答案