第13题: [单项选择]Je vous présente ma _____ et mon _____ . A. belle-fille /beau fils B. belle fille/beau-fils C. belle fille/beau fils D. belle-fille/beau-fils 参考答案:D
第23题: [填空题]Two devices are mentioned which were used to measure time in the ancient times. They are ______. 参考答案:sundial and hourglass 答案解析:第十段的第二句“The sundial was one of the earliest and simplest”及第十一段的第三句“One device was the hourglass”提供了相