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【单选题】
数据库系统一般由哪些成分构成? Ⅰ．数据库 Ⅱ．数据库管理员 Ⅲ．数据库管理系统及其工具 Ⅳ．用户 V．操作系统 Ⅵ．应用系统A.
Ⅰ、Ⅱ和Ⅲ
B.
Ⅰ、Ⅱ、Ⅲ和Ⅳ
C.
Ⅰ、Ⅱ、Ⅲ、Ⅳ和V
D.
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举一反三
【单选题】the topic sentence of para.3 on p.3 is
A.
the first sentence
B.
the second setence
C.
the third sentence
D.
the last sentence
【单选题】The basic word order in a sentence is subject-verb- object inMongolian.
A.
True
B.
False
【单选题】The sentence “the cry asking whether there was a doctor in the house could well be a thing of the past” means ____________.
A.
patients used to cry and ask if there was a doctor in the house
B.
now people probably will not ask if there is a doctor in the house
C.
patients are now still asking if there is a doctor in the house
D.
in the past people often cried and asked if there was a doctor in the house
【单选题】the topic sentence of para.3 on p.3 is
A.
When I went to senior middle school, I was eager to continue studying English.
B.
My experience in senior middle school was very different from before.
C.
the third sentence
D.
the last sentence
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