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搜题
【单选题】
小儿最常见的染色体病是()。A.
苯丙酮尿症
B.
肝豆状核变性
C.
21-三体综合征
D.
系统性红斑狼疮
E.
先天性甲状腺功能减低症状
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【简答题】Being introduced invites you into the conversation and makes you feel like part of the group, which is why an introduction shows your respect for your guest. Attending an without being in...
【单选题】When scheduling meetings in southern cities, you'll find the business settings are ______.
A.
quite formal
B.
very casual
C.
very serious
【简答题】数字信号的特点是在时间和幅度上都是不(__)。
【判断题】In business settings, If a male has higher authority than a female, the woman should be introduced to the man.
A.
正确
B.
错误
【简答题】模拟信号的特点是在幅度和时间上都是 变化的。数字信号的特点是幅度和时间上都是 变化的。
【单选题】Listen to the passage and select the correct answers. 1. What is the current trend of VoIP in business settings?
A.
It has not been widely adopted by companies.
B.
It is being used more and more widely. .
C.
It has been used too much.
D.
It has already been outdated
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