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快读阅读 1 : 据专家介绍 , 我国60岁以上老人已达 1.32 亿,总人口的 10% , 预计今后50年内,我国老年人口还将以 3.2% 的速度递增。目前,随着生活质量的提高,城市老人 1 存在“吃得好、运动少”的问题,高血压、高血脂、冠心病、糖尿病及肥胖等“富贵病”成为老人健康的 2 。
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【简答题】Bamboo is light because of its h______( 空 ) stem..
【简答题】继电器 是一种根据输入信号(电量或非电量)的变化,来 或 小电流电路(例如控制电路),实现 和保护电力拖动装置的电器。
【简答题】A.The Shinto gods lived inside the bamboo. B.Bamboo was the food of the Shinto gods. C.The Shinto gods used bamboo to build houses. D.The early inhabitants worshiped bamboo as the Shinto gods.
【单选题】Why was it possible for these ancient trees let more light through than modern ones?
A.
Because they were closely spaced, only 3 to 16 feet apart.
B.
Because they were smaller plants and shrubs.
C.
Because their branches did not fan out as far as to form. a shape like umbrella.
D.
Because they had very small leaves like that of fern and dropped easily.
【简答题】在数列1,1,2,3,5,8,13,21,……中,从第三个数起,每个数都是它前面两数的和,在前100个数中,偶数有多少个?在前500个数中,奇数有多少个?
【单选题】在数列1,1,2,3,5,8,13,21,……中,从第三个数起,每个数都是它前面两数的和,在前100个数中,偶数有多少个?在前500个数中,奇数有多少个?
A.
偶数34个,奇数334个
B.
偶数33个,奇数334个
C.
偶数33个,奇数332个
D.
偶数34个,奇数332个
【单选题】在等差数列{a n }中,a 3 +a 5 +2a 10 =4,则此数列的前13项的和等于 [     ]
A.
8
B.
13
C.
16
D.
26
【简答题】阅读理解。 1. ______ has the largest population among these countries. [     ] A. Italy B. Australia C. China 2. If you want to visit Big Ben (大本钟), you should travel to ______. [     ] A. Rome B. London C...
【单选题】—How did you save the drowning girl? —By using a _______.
A.
long bamboo fishing pole
B.
bamboo long fishing pole
C.
fishing long bamboo pole
D.
bamboo fishing pole
【简答题】在数列1,1,2,3,5,8,13。21……中,从第三个数起,每个数都是它前面两数的和,在前100个数中。偶数有多少个?在前500个数中,奇数有多少个?( )。
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