硫代硫酸钠(Na2S2O3)俗称海波,它属于( )
A.酸
B.碱
C.盐
D.氧化物
硫代硫酸钠(Na2S2O3)是由钠离子和硫代硫酸根离子组成的化合物,属于盐.
故选C.
根据中英文写出单词的适当形式。
1. On _____ (下雨的) days ,most people don't like to go out.
2. We lost ourselves in the _____ (美丽) of Jiuzhaigou.
3. At 6 months old, Xi wang began to eat bamboo shoots and _____ (叶子).
4. I have _____ (少) money than Millie.
5. I study birds and _____ (变化) in their numbers .
在"烛幽隐于玄冥之间者"中,"烛"之义为()
A.蜡烛
B.洞察
C.光明
D.看见