在一定条件下,若物体运动的路程s(米)与时间t(秒)的关系式为s=5t2+2t, 发布时间:2017-05-18 17:58 │ 来源:www.tikuol.com 题型:选择题 问题: 在一定条件下,若物体运动的路程s(米)与时间t(秒)的关系式为s=5t2+2t,则当t=4时,该物体所经过的路程为[ ]A.28米 B.48米 C.68米 D.88米
题型:选择题 完型填空。Sandy: Do you know what type the film is tonight? Kitty: I hear it's 1 action film. What do you 2 of the fights in action films? Sandy: I don't like them because they seem to make us feel 3 easily. They have a bad 4 on people, 5 teenagers. Kitty: I see. 6 what is your favourite kind of film? Sandy: I'd rather watch romantic films 7 action ones because they usually have happy endings. ( )1. A. the ( )2. A. like ( )3. A. angry ( )4. A. effort ( )5. A. especial( )6. A. So ( )7. A. to B. a B. think B. exciting B. affect B. regularlyB. But B. than C. an C. hear C. frightened C. effect C. regular C. Now C. from D. / D. care D. calm D. attraction D. especially D. Or D. for 查看答案
题型:选择题 某展览馆为7层框架结构,每层高3m,各层外墙的外围水平面积均为4000,馆内布置有大厅并设有两层回廊,大厅长36m、宽24m、高8.9m,每层回廊长110m、宽2.4m。根据《全国统一建筑工程预算工程量计算规则》规定,该展览馆的建筑面积为()。A.26800B.27400C.28000D.29200 查看答案