根据语意写词语。

①植物因太阳炙热而失去水分。____

②为了办事或游览从一个地方走到另一个地方，多指较远的路程。 ____

③惊人的巨浪拍打着江岸。____

④强烈的阳光好像烈火一样。形容天气非常炎热。____

⑤说明含义、原因、理由等          ____

⑥以字为单位，按一定的秩序排列为人们提供音、形、意 的工具书。  ____

若n（n≠0）是关于x方程x²+mx+2n=0的根，则n+m+4的值为（　　）

读图“中国山脉分布图”，完成下列各题

读“中东某资源输出示意图”，回答问题．

阅读短文，然后从方框中选出可以填入文中空白处的单词

All  drinking discovered  besides  pick According to during  green most  first

Chinese tea

Tea is the ____ popular drink in the world ____ water. ____ tea comes from the tea plant. People ____ leaves from it to make tea.

The habit of ____ tea has a long history in China. ____ an old story , Chinese Emperor Shennong ____ tea. Lu Yu, a writer ____ the Tang Dynasty, wrote the ____ book about tea.

There are several types of Chinese tea, such as white tea, ____ tea and black tea.