在相同条件下，将分别充满以下气体的试管倒立于水槽里，水沿着试管壁上升最高的是（ ）．
在相同条件下，将分别充满以下气体的试管倒立于水槽里，水沿着试管壁上升最高的是（ ）．
列举
“列举她的杰作显然是毫无必要的，重复公众的记忆又有何益？”这句话的意思是说____。
“列举她的杰作显然是毫无必要的，重复公众的记忆又有何益？”这句话的意思是说\_\_\_\_。
Why do forests in many parts of the world slowly disappear?
Why do forests in many parts of the world slowly disappear?
What is the most important service of trees to man according to the passage?
What is the most important service of trees to man according to the passage?
The word “media” (in the first paragraph) includes _____.
The word “media” (in the first paragraph) includes \_\_\_\__.
文中运用了大量叠词，如“清清楚楚”“哩哩啰啰”等。这些叠词主要有怎样的表达效果？列举几个四字叠词加以说明。
文中运用了大量叠词，如“清清楚楚”“哩哩啰啰”等。这些叠词主要有怎样的表达效果？列举几个四字叠词加以说明。