[单项选择]男性，42岁，反复腰痛5年，7个月前打篮球时扭伤腰部，当时腰部不能活动，腰骶部、臀部剧痛，并伴有向左股部后侧和小腿后外侧的放射痛，咳嗽、打喷嚏时加重，自觉左小腿后外侧和足底麻木，行走时左脚抬不起来。腰椎CT提示L4~5间盘向左后方突出，左侧硬膜囊明显受压变形，神经根淹没。如果患者已经接受系统正规的保守疗法治疗，症状无缓解，下一步应该接受的治疗是（） A. 椎间盘切除、椎板减压和脊柱融合术 B. 硬膜外腔消炎镇痛液注射 C. 椎间盘镜下椎间盘切除术或经皮椎间盘切吸术 D. 电脑三维牵引 E. 胶原酶溶盘术、射频热凝术、臭氧注射或激光减压术
[多项选择]关于新发行普通股股数计算时间起点的确定，下列说法中正确的有( )。 A. 为收取现金而发行的普通股股数，从应收现金之日起计算 B. 因债务转资本而发行的普通股股数，从停计债务利息之日或结算日起计算 C. 非同一控制下的企业合并，作为对价发行的普通股股数，从购买日起计算 D. 为收购非现金资产而发行的普通股股数，从签订合同之日起计算 E. 为收购非现金资产而发行的普通股股数，从确认收购之日起汁算
Dear Sirs, I am very happy to apply for the position of secretary, which you advertised in China Daily of December 10th, 2005. I have been working as a secretary at a college office. Because I am the only secretary in the office, it is necessary for me to work quickly and efficiently and to be flexible in my daily work. Professors value my work and my ability to meet their needs.The writer of the letter enclosed a pre-paid postcard to ______. A. request a written reply B. make an appointment C. get more information D. express her thanks A. Faithfully yours, B. Mary Lee
Large lecture classes are frequently regarded as a necessary evil. Such classes (21) be offered in many colleges and universities to meet high student (22) with limited faculty resource, (23) teaching a large lecture class can be a (24) task. Lecture halls are (25) large, barren, and forbidding. It is difficult to get to know students. Students may seem bored in the (26) environment and may (27) read newspapers or even leave class in the middle of a lecture. Written work by the students seems out of the (28) .
Although the challenges of teaching a large lecture class are (29) , they are not insurmountable. The solution is to develop (30) methods of classroom instruction that can reduce, if not (31) , many of the difficulties (32) in the mass class. In fact, we have (33) at Kent State University teaching techniques which help make a large lecture class more like A. sothat B. although C. when D. because
