[单项选择]后极部视网膜可见浅层出血及絮状斑() A. 视网膜静脉阻塞 B. 糖尿病视网膜病变 C. 高血压性视网膜病变 D. Eales病 E. 视网膜动脉阻塞
参考答案:C
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第1题: [单项选择]The word "harmful" in the last paragraph most probably means ______. A. bad-affecting B. ill-effective C. widespread D. irritating 参考答案:B 答案解析:文中说到老师必须经常评估她自己的态度,因为如果她有个人偏见的话,她的影响将是有害的。affecting是感人的,动人的。ill-effective不是很有效的,有害的;widespread广泛的;ir
A. overtakes B. nourishes C. surpasses D. enforces 参考答案:C 答案解析:surpass作“超越,凌驾,胜过”讲,例如:A great teacher has always been measured by the number of his students who ha
第30题: [单项选择]慢性肾衰竭代偿期的标准是() A. Ccr50~70%血清肌酐(Scr)<1.5mg/dl B. Ccr25~50%血清肌酐(Scr)1.5~2.5mg/dl C. Ccr10~25%血清肌酐(Scr)2.5~5mg/dl D. Ccr<10~25%血清肌酐(Scr)>5mg/dl E. Ccr<5%血清肌酐(Scr)>10mg/dl 参考答案:A