影响固定桥桥体弯曲变形的最主要因素是（）。 A.力大小 B.桥体材料的机械强度 C. 发布时间：2017-08-31 14:00 │ 来源：www.tikuol.com 题型：单项选择题 A1型题 问题： 影响固定桥桥体弯曲变形的最主要因素是（）。A.力大小B.桥体材料的机械强度C.桥体长度D.桥体厚度E.桥体宽度
题型：单项选择题 A1型题 阅读理解。 STAGE Russian dances: The famous "Little White Birth" Dance Troupe (剧团) will travel from Russia to give performances in Beijing. Tickets are only available through ticket hotlines and websites such as www.chinaticket.com and www.ticket.clong.com. Time: 7:30 pm～9:30 pm, June 18-21 Place: Beizhan Theatre, 135,Xiwai Dajie, Xicheng District Tel: 6606-4258 EXHIBITIONS Kite show: 81 kites collected by China National Art Museum are on show in YanhuangArt Museum. The kites on exhibition are made in traditional Chinese style.Time: 9:00 am-5:00 pm, June 16-June 19 Place: 9, Huizhong Lu Tel: 6491-2902 CONCERTFolk music: A concert of classics of Chinese folk music will greet audience (观众).Time: 7∶30 pm～10∶00 pm, June 16 Place: 1, Beixinhuajie, Xicheng District Tel: 6559-8285 ONLINE CLASSES Perhaps you would like to start a blog (博客); perhaps you would like to improve your blog; perhaps you would like to take your blog to professional standards (水平). …If you attend the four-week courses, you will reach it. Course fee(费用): $35 Each class is no more than 25 students, aged 18 up. Starts Lecture Place Time Enroll(注册) June 8 Wednesdays Online 24 hrs. a day CLASS FULL July 6 Wednesdays Online 24 hrs. a day CLASS FULL August 10 Wednesdays Online 24 hrs. a day ENROLL 1. How can you get tickets if you want to watch the Russian dance? A. At the ticket window. B. At Bei zhan Theatre. C. Through ticket hotlines and websites.D. In Xicheng District. 2. How long does the Kite show last?A. Four days.B. Three days. C. Five days. D. Two days. 3. If you want to relax yourself on the evening of June 16, you can only choose ________. A. Russian dances B. Folk music C. Kite show D. Online blog class 4. If you like the Kite show, you should call ________.A. 6606-4258. B. 6559-8285. C. 6491-2902. D. 6941-2902. 5. Which of the following is not right? A. The kites on exhibition are made in traditional Chinese style. B. The concert is about Chinese folk music. C. If you are 14 years old, you can't choose the online blog classes.D. You can start your online blog class on June 8. 查看答案
题型：单项选择题 A1型题 男，40岁。拟拔除上颌第二磨牙，调整椅位时应A．头后仰至上颌牙平面与地面成 90°角B．头后仰至上颌牙平面与地面成 45°角C．头直立，利用口镜反光操作D．头偏向右侧，以便面对术者E．头略后仰，利用口镜协助操作 查看答案
力大小力大小