按考试时间写完，就知道自己在四项评分标准上各差在哪。
It is undeniable that water scarcity is becoming a global problem, and its magnitude is so large that we need effective measures to tackle this issue. The rapid growth of the global population and their water demand as well as the contamination of groundwater, in my opinion, are the two main reasons for this alarming trend.
Nonsalaine pure water, also known as freshwater, has been a limited resource in some regions for centuries. However, due to the increasing need worldwide, it has become a global issue.
Fresh water, which is vital for the survival of humans and other flora and fauna, has always been a scarce natural resource on our planet, and this has been more acute in dried parts of the world. Due to rapid population growth and industrialisation, scarcity of this valuable resource has become a global issue.
按考试时间写完，就知道自己在四项评分标准上各差在哪。
按考试时间写完，就知道自己在四项评分标准上各差在哪。
按考试时间写完，就知道自己在四项评分标准上各差在哪。
按考试时间写完，就知道自己在四项评分标准上各差在哪。
按考试时间写完，就知道自己在四项评分标准上各差在哪。
按考试时间写完，就知道自己在四项评分标准上各差在哪。