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【单选题】
下列微生物中具有细胞结构的是 [ ]A.
大肠杆菌
B.
HIV
C.
朊病毒
D.
SARS
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举一反三
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 26 to 30. I worked as a manager in a company for a number of years. I liked my job, and was do...
A.
He had always liked writing.
B.
He was dissatisfied with his company.
C.
He never liked his job as a manager.
D.
He wanted to change his lifestyle.
【单选题】Section A: 26 The company has decided to sponsor the exhibition, ____ helps to promote its image.
A.
that
B.
who
C.
what
D.
which
【简答题】根据模型应用目的的不同,数据模型可以分为两类:一类是(),是按用户的观点来对数据和信息进行抽象;另一类是(),是按计算机的观点建模。
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