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【单选题】
下列四组选项中,均是C语言关键字的是A.
auto enum include
B.
switch typedef continue
C.
if int type
D.
signed union scanf
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【简答题】数据预处理是指在对数据进行挖掘前对原始数据进行 、 、 与 等一系列处理工作,以达到挖掘算法进行知识获取研究所需要的最低规范和标准。
【单选题】听力原文：W: ABC Computers, this is Lara. How may I help you today? M: Hi, Lara, my name is David Jones-, and I'm wondering if you could tell me the name of the manager in charge of the human resources dep...
A.
A client.
B.
A new boss.
C.
A friend of Ms. Garcia.
D.
A job seeker.
【单选题】政治安全职能，是指国家安全组织及其工作人员依法对国家安全政治事务进行管理，实现国家( )状态和提升政治安全能力。
A.
政府安全
B.
政权安全
C.
军事安全
D.
政党安全
【单选题】What does Paula Courtney imply by saying '...the shopper must also find a replacement' ( Line 2, Paragraph 4 )?
A.
New customers are bound to replace old ones.
B.
It is not likely the shopper can find the same products in other stores.
C.
Most stores provide the same kind of service.
D.
Not complaining to the manager causes the shopper some trouble too.
【简答题】用所给词的适当形空。 l. He got some (money) from his manager yesterday. 2. Dave (come) to our house for dinner tonight. 3. Mother (buy) some fruit an hour ago. 4. You'd better take him for (walk) every day. 5. ...
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