[问题3] 该公司在服务器上安装了DNS,以便把公司主页发布到Internet上。请问DNS的主要功能是什么
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Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the speaker, what were the beliefs of the Greek philosophers based upon
A. How the natural world was described in Greek mythology.
B. What they observed directly.
C. The writings of philosophers from other societies.
D. Measurements made with scientific instruments.
垂体手术未发现肿瘤而临床症状严重的Cushing病
A. 经蝶窦切除垂体微腺瘤
B. 垂体放疗
C. 一侧肾上腺全切+另侧肾上腺大部分切除,术后作垂体放疗
D. 开颅手术+垂体放疗
发审委审核的特别程序规定,每次参加发审委会议的委员为5名。表决投票时同意票数达到3票为通过,同意票数未达到3票为未通过。()
A. 对
B. 错
女性,50岁,颈前弥漫性肿大,不伴其他症状10年,近年来感心悸、多食、易怒,颈前可扪及数个结节,随吞咽上下活动,应考虑为
A. 甲状腺胶样囊肿
B. 结节性毒性甲状腺肿
C. 弥漫性毒性甲状腺肿
D. 甲状腺癌