清代著名诗人丘逢甲因想起故乡台湾的青山绿水触景伤怀作了哪首诗？
参考答案：丘逢甲因想起故乡台湾的青山绿水触景伤怀作了《春愁》。
Which of the following is an appropriate health promotion activity to reduce the incidence of osteoporosis
A. Teaching women to maintain adequate calcium intake.B. Teaching women how to administer pain medication safely.C. Avoiding estrogen replacement therapy when postmenopausal.D. Teaching women to increase caffeine intake as a preventive measur
请按照要求填写下列化学术语：
（1）二氧化碳的电子式______，结构式______．
（2）氯化铵的电子式______；次氯酸的电子式______．
（3）硫元素的原子序数为______，S2-的离子结构示意图为______．
