根据下列句子及所给汉语注释，在句子空缺处写出各单词的正确形式 。
⑴Thomas Edison ____ (发明) the light bulbs.
⑵He went into the room ____ (慢地) and sat down.
⑶You can't solve the problems____ (除非) you do it carefully.
⑷He has a kind____ (心) and often helps others.
⑸Some animals, for example, elephants and koalas, live on grass and ____ (树叶)
⑹My uncle bought me an Ipad for my ____ (第十二) birthday.
⑺So far, we've____ (成功) in saving thousands of people in danger.

“梅须逊雪三分白，雪却输梅一段香”，这两句诗对我们个人成长的有益启示有（  ）
①要能看到梅与雪的差异                    ②要能够看到别人的优点和长处
③要扬长避短，自强不息                    ④要正确认识和评价自己及他人

下面每个大正方形都表示“1”，各图中涂色部分和空白部分各占“1”的百分之几？

涂色部分：        ____              ____               ____ 

空白部分：        ____              ____               ____ 

下列各组物质中，能相互反应且反应类型属于复分解反应的是(      )