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【单选题】
IP地址是因特网上唯一标示一台主机的识别符，它由（）两部分组成。A.
数字和小数点
B.
主机地址和网络地址
C.
域名和用户名
D.
普通地址和广播地址
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Dave was newly hired by our company , and he is a good choice for the position since he gained rich (1) experience when he was working for another company.(manager)
【简答题】Dave was newly hired by our company,and he is a good choice for the position since he gained rich experience when he was working for another company.
【单选题】Dave was newly hired by our company, and he is a good choice for the position since he gained rich ______ experience when he was working for another company.
A.
practical
B.
social
C.
marketing
D.
managerial
【单选题】Dave was newly hired by our company, and he is a good choice for the position since he gained rich ____ experience when he was working for another company.
A.
imaginative
B.
imaginable
C.
managerial
D.
manageable
【单选题】稀缺性是指
A.
生产家具的木材太少 生产粮食的土地太少 B.
B.
生产粮食的土地太少
C.
可用的经济资源与人类的欲望相比总是显得不足
D.
生产力不发达造成了物品供给不足
【单选题】关于十二指肠的解剖，说法不正确的是
A.
十二指肠降部内侧邻胰头
B.
十二指肠乳头位于其降部的内侧壁中下部位
C.
位于肠系膜上动脉和腹主动脉夹角内的是十二指肠水平部
D.
十二指肠分为球部、降部、水平部和升部
E.
十二指肠升部前方是胆囊，后方是胆总管
【多选题】关于十二指肠的解剖，叙述错误的有
A.
十二指肠降部内侧邻胰头
B.
十二指肠乳头位于其降部的内侧壁中下部位
C.
位于肠系膜上动脉和腹主动脉夹角的是十二指肠水平部
D.
位于肠系膜上动脉和腹主动脉夹角的是十二指肠球部
E.
十二指肠升部前方是胆囊，后方是胆总管
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