【单选题】As five children under 10 got drowned in a southern province, it is not socially _____ for paren
A.
27. As five children under 10 got drowned in a southern province, it is not socially _____ for parents to leave children unattended at that age. A.acceptable
【单选题】According to Thibaut, it is possible ______
A.
for children to take advantage of their parents by using a foreign language
B.
to expose children to a foreign language after they can speak English
C.
to combine language lessons with sports games
D.
for children to learn several languages at the same time
【简答题】China is considering it a legal duty for Chinese citizens to visit their aged parents as the country struggles with the challenges created by a graying population. It is generally accepted that...
【单选题】关于氢氧化铝的描述,下列哪一项是正确 的
【单选题】关于复方氢氧化铝的描述,下列哪项是正确的()。
【单选题】下列关于混凝的描述中正确的是( )。
A.
当pH较低时,铁盐混凝剂水解产生氢氧化铁胶体,与带正电荷的胶体颗粒起电中和作用
C.
使用硫酸铝来去除浊度时,最佳的pH值在6.5~7.5之间
【单选题】( )战略是维护国家安全的新型作战力量,是我军新质作战能力的重要增长点。