健康教育与健康促进项目的实施工作包括的五个环节是什么？

Each nation has many volunteers(志愿者) who help to take care of others. They      books to the people in hospitals or homes for the aged. Sometimes they just visit them and play games with them or listen to their    .

Other young volunteers go and work in the homes of people who are sick or     . They paint, clean up,      their houses or do their shopping.

For boys who no longer have    , there is an organization called Big Brothers. College students and other men take these boys to baseball games or fishing places and help them to get to know things that boys      learn from their fathers.

Each city has a number of clubs     boys and girls can go to play games or learn crafts (工艺). Some of these clubs organize short trips to the mountains, beaches, or other places of interest     . Most of these clubs use high school and college students as volunteers because they are young enough to      the names of boys and girls.

Volunteers believe that the happiest people in the world are those who help to     i happiness to others.

电极上通过1安培·小时电量时，在电极上形成的产物的量，通常称它为该产物的（）。

宋朝自中央大理寺、御史台以至府、州、军、监、县各有自己的监狱。京师监狱经常由皇帝定期亲自“决狱”，或派员“疏决”。
最能准确复述这段话主要意思的是( )。

A．宋朝有较为完善的监狱制度

B．宋朝皇帝能做到亲自“决狱”

C．宋朝监狱太多太杂

D．宋朝非常注重监狱的建设

轻度低渗性脱水补充累积损失量用

A．5%葡萄糖溶液
B．等渗盐水
C．高渗盐水
D．等渗盐水和5%葡萄糖溶液各半
E．碳酸氢钠溶液

现代钢琴按形状分，主要为立式钢琴和什么钢琴？