患者男性,40岁,近4个月常感右下腹痛,伴间隙性腹泻,粪便呈糊状,无脓血便,食欲减退。查体:T37.5℃,消瘦,右下腹压痛(+),似可扪及边界欠清晰包块,杵状指。Hb89g/L,WBC12.5×10/L,ESR46mm/h,PPD试验:(-)。X线钡餐示回肠多处肠腔狭窄,边缘不整齐,病变之间肠曲正常。继以糖皮质激素和柳氮磺胺吡啶联合治疗。若行67Ga炎症显像,显像方法不正确的是()
A. 显像前无需肠道准备
B. 成人常用注射剂量为74~185MBq
C. 采集时,使用中能准直器,能峰93、184及296keV,窗宽20%
D. 注射后6~8小时及24小时显像,必要时加做48小时显像
E. 必要时行腹部断层显像
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()是婴儿发展评价的特点。
A. 延续性和局限性
B. 全方位和多方面
C. 因多面性导致操作困难
D. 片面性和局限性
一企业为职工投保团体人身保险,保险费由企业支付。职工老张指定其妻子王某为受益人,半年后老张与妻子离婚,谁知离婚几日后老张意外死亡。对保险公司给付的二万元保险金,企业以老张生前欠单位借款为由留下一半,另一半则以张妻已与老张离婚为由交给老张父母。问企业如此处理是否正确?为什么?
10岁男孩,半个月前患咽喉痛,今发现颜面水肿,伴头痛,服中药后呕吐3次,傍晚忽然四肢抽搐,持续5~6分钟,就诊时呈昏睡状。需与下列哪项疾病相鉴别()
A. 休克
B. 高热抽搐
C. 肾衰竭
D. 心功能衰竭
E. 中枢神经系统感染
根据下列材料,回答下面的题目 Rhythm and blues,or R&B,is a 26 0f music that came out of the jazz,blues and gospel music that was bein9 27 by African Americans 28 the l930s and l940s.Over the years, the term has commonly been used to describe 29 popular music this community was played at the time.This more upbeat,exciting type of music caught on 30 a big way,and for the first time,African Americans 31 their own style of commercial music. In the late l930s,many big bands broke up 32 smaller units and formed“jump blues”bands 33 played loud music with a strong dance beat,quickly 34 popular in the dance halls at the time. Earlv R&B 35 were those of Count Basie,Louis Jordan and Lionel Hampton.Basie had a hit in l937 with One 0’clock Jump. 36 Jordan had a string of hits from the late l930s through the l940s.By the mid l940s,R.M.Blues by Roy Milton and The Honeydripper by Joe Liggin each 37 0ne million copies. ‘ The new music style 38 to evolve and was gaining 39 rapidly.In Annapolis,more than 50,000 people 40 up to a concert with seating for 8,000.There was a traffic 4l for seven hours. Rhythm and blues has come a long way 42 American African musicians of the mid 20th century developed their own style of 43 music based on some more conservative styrles at the time.R&B had huge success in the l950s and l960s before making an even 44 comeback as contemporaryR&B 45 the l980s on.
A. have
B. having
C. had
D. have had