“清理了野蛮的污浊，心灵才会漾起纯净的春波；扫除了愚昧析灰尘，思想才会绽放美丽析花朵。”这句话表明（    ）

现在有住宿生若干名，分住若干间宿舍，若每间住4人，则还有19人无宿舍住；若每间住6人，则有一间宿舍不空也不满．若设宿舍间数为x，则可以列得不等式组为 ____

C

    When my wife and I went to live in an Arab country, my friends told us to be prepared for a culture shock. Later, we realized that the advice given to us by our friends was correct.

    The culture shock started with the weather. Here, the burning sun can cook an egg in a minute! The hot weather made us feel so tired that we were falling asleep at mid-day!

    Another culture shock was the working week. We worked from Saturdays to Wednesdays, including Sundays. It was also strange to see people praying in a certain direction! They have strict rules for women. They do not let people see their faces in public. They do not let women drive cars, either. All dresses worn by women have to cover the body completely. They believe that women cannot be seen in public.

    At the weekends, we went camping in the desert. I will never forget watching the sun setting over the desert. We also enjoyed riding on the camels. In the end, we enjoyed living there, but their culture is very different from the American culture.

给下面划线的字注音。