假如你在某时某地目击(see/witness)了一起车祸，就此写一份报告。内容 应该包括以下几个要点：
1．车祸发生的时间、地点；
2．你所见到的车祸情况；
3．你对车祸原因的分析。
注意：
1．词数100词左右；
2．请直接将书面表达写在答题卡2背面。

A．No one exactly knows who is the inventor of the umbrella.
B．The umbrella was first invented to be used as protection against the sun.
C．The umbrella changed much in style in the eighteenth century.
D．In Europe the Greeks were the first to use the umbrella as a sunshade.