侧窗遮阳帘
参考答案：是为阻挡车外紫外线照射而放置于车门侧窗的防护帘。另外，侧窗遮阳帘分为手动与电动两种，电动侧窗遮阳帘多装配于高端车型上。
分母是8的所有最简真分数的和是______．
More than twenty_____students are having an important exam at the moment.
A．thousands
B．thousands of
C．thousand
D．thousand of
