A better understanding of the environment is neccessary , as is the willingness to act.

~ 这是一个非限定性定语从句
由as引导的非限定性定语从句，as可代整个主句
在这里指代A
better
understanding
of
the
environment
is
neccessary
。
翻译
更好的了解环境的重要性是有必要的，要做到这点（指代前面的内容）只要采取行动的意愿罢了。
eg
The
sun
heats
the
earth,
as
is
very
important
to
us.

---

贡觉县13389292654： have a better understand of用英语怎么造句 - ？
迟货金怡：[答案] 这句话本身就是错的.应该是have a better understanding of,对什么有更好的了解.you can have a better understanding of China by reading its history.你可以通过读中国历史的方法来提高你对中国的了解.

贡觉县13389292654： 选择( ) a better understanding between.improve?increase?raise?promote? - ？
迟货金怡：[答案] 替你把这四个词查了一下牛津高阶,选D最为合适.牛津有个例子是to promote awareness,既然可以提高意识(promote awareness),那么当然可以促进了解(promote understanding)了.

贡觉县13389292654： a better understanding between parents and children - ？
迟货金怡： Nowadays there is often a lack of understanding between parents and children. First of all, parents don't have a lot of time to communicate with their children. Children go to school. Parents go to work. When they get home they are all tired so they all ...

贡觉县13389292654： i can be a better understanding of the history of France.这句话可以这样说不? - ？
迟货金怡：[答案] it can be a better understanding of the history of France I can have a better understanding of the history of France 都能说得通

贡觉县13389292654： the better one 和a better one 的区别 - ？
迟货金怡： the better one 更好的那一个 通常特指两者其中的相对好的那一个 例如 Of the two players, I think John is the better one. a better one 一个更好的 泛指更好的一个 比这个好就可以 没有范围限制 任意一个更好的 例如 She is definitely a better ＂singer＂ than Tom.

贡觉县13389292654： 怎么区别the better one 和 a better one - ？
迟货金怡： the better one 的The是特指 a better one是泛指 通过句意可以知道这里是说“我从来没有过比这次更好的” 也就是说从来没有过a better one the better one一定要有比较对象,一个怎样怎样,the better one怎样怎样 另外第一个空,我们可以把A和B排除掉,C和D里面明显C要好一些,因为表示感叹的时候,一般不用very,very的语气太平淡了

贡觉县13389292654： a better 和the best的用法？
迟货金怡： I need a better sth like, job/ pen/ house/ food/ Someone is the best , or something is the best or Ving is the best. like Killing people is the best thing i enjoy most. or Singing is the best thing i like.

贡觉县13389292654： Above all don't understa 什么意思？
迟货金怡： 以上的都不懂(明白、理解)