已知平行四边形ABCD的周长为24，且AB∶AD=1∶2，那么AB的长是（ ）。 发布时间：2017-04-22 22:58 │ 来源：www.tikuol.com 题型：填空题 问题： 已知平行四边形ABCD的周长为24，且AB∶AD=1∶2，那么AB的长是（ ）。
题型：填空题 阅读理解。 The 29th Olympic Games will be held in our country in 2008. As many people will visit our country,the government (政府) will build new hotels, a large stadium, and a fine new swimming pool. They will also build new roads. The games will be held just outside the capital and the whole area will be called "Olympic city". Workers will build a railway and some new roads by the end of 2005. The fine modern buildings have been designed by the best designers. The people, old and young, in the capital are getting ready for the Olympic Games by learning English. We will be very glad to see the new buildings go up. We are very excited and looking forward to the Olympic Games because they have never been held in our country before. 1. Because of the 29th Olympic Games, .[ ]A. a lot of new buildings have been finished B. a lot of new buildings have been planted C. a large number of people visited our country D. many new roads and a railway have been built 2. From the passage we know that the Olympic Games . [ ]A. were held in our country four years ago B. are held in our country every four years C. will be held in our country for the first time D. have just been held in our country 3. The passage tells us everyone in the capital for the Olympic Games [ ]A. is learning English B. is de signing buildings C. is having sports and games D. is busy building roads 4. The whole area with hotels a large stadium and a new swimming pool is called . [ ]A. Olympic cityB. stadium C. Olympic Games D. buildings 5. "Go up" in the last passage means . [ ]A. 增长B. 上涨C. 上升D. 建起 查看答案
题型：填空题 某人20岁，身高1米，智力低下，造成这种现象的原因可能是( )。A．幼年时期生长激素分泌过少B．成年后，生长激素分泌过多C．婴幼儿期甲状腺激素分泌不足D．婴幼儿期甲状腺激素分泌过多 查看答案