第2题: [单项选择]正常卵黄囊的超声测值是() A. 2~5.6mm B. 5.7~9.9mm C. 10~15mm D. 16~20mm E. 21~25mm 参考答案:A 答案解析:正常妊娠时,卵黄囊呈球形,囊壁薄呈细线状,中央为无回声,透声好,在5~10周间,其大小稳步增长,最大不超过5~6mm,至孕12周时卵黄囊囊腔消失。
第5题: [多项选择]社会保险法规定,职工跨统筹地区就业,其( )关系随本人转移,缴费年限累计计算。 A. 工伤保险 B. 商业保险 C. 基本医疗保险 D. 失业保险 E. 生育保险 参考答案:C, D 答案解析:本题考查保险的跨地区转移。基本养老保险、基本医疗保险、失业保险可以随本人跨地区转移。缴费年限累计计算。
第34题: [单项选择]A. When he saw a motionless whale for the first time. B. When he saw an animal for the first time. C. When he saw a one-person underwater vehicle. D. When he saw an airplane like craft. 参考答案:A 答案解析:[听力原文] Graham Hawks remembers the first time he saw a whale. Waiting for a companion, the animal