
提问人:网友l******8
发布时间:2023年3月31日 23:44
[单项选择题]
氢是分布最广的一种元素,它在地球上主要以()。
A、单一态B、化合态C、混合态


A、单一态B、化合态C、混合态
Nothing is ______than keeping trying if you want to achieve your dream.
very important
B .
more important
C . the most important D . as important as