搜题请搜索小程序“爱下问搜题”
问题
填空题
正常人尿液呈弱酸性,如进食大量蔬菜时,尿可呈_________性,进食大量肉类时,尿液可呈_________性。严重呕吐患者尿液可呈_________性。
答案
参考答案:碱;酸;强碱
选择题
Though he failed many times in election, he never lost _____ heart and at last he was elected _____ president of the USA.
A. /; a
B. a; the
C. his; the
D. /; /
查看答案
问答题 简答题
什么是公安信息化?
查看答案