题目

III．阅读理解   命题意图：以下几篇题阅读理解题主要选用了主题突出，语言流畅的叙述文、应用文和说明文，旨在训练学生的基本阅读能力------快速搜索信息能力和简单的信息处理能力（如时空排序能力等）。请针对学生实际情况，选用以下训练题。    （1） ------易题 Doing Favours Can Be Dangerous     I found out one time that doing a favour for someone could get you into a lot of trouble．I was in the eighth grade at the time, and we were having a final test．During the test, the girl sitting n屋檐上水滴下落的过程可以近似地看做是自由落体运动．假定水滴从5m高的屋檐上无初速滴落，水滴下落到地面时的速度大约是（取g=10m/s2）（ ）A．6m/sB．8m/sC．10m/sD．12m/s