He ___________ the guard some money and got into the forbidden building.
A. slipped
B. skid
C. stripped
D. stopped
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My sister-in-law ____________ a healthy girl last night and the whole family were thrilled to welcome the new member.
A. lived
B. did
C. delivered
D. labored
为什么要使用IPv6协议替代IPv4？IPv4向IPv6过渡有哪些策略？
存在于消化管固有层内的腺体有
A. 食管腺、贲门腺、胃底腺、肠腺
B. 食管腺、幽门腺、胃底线、肠腺
C. 食管腺,十二指肠腺,胃底腺
D. 胃底腺,贲门腺,幽门腺,肠腺
E. 十二指肠腺,肠腺
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